イディオム例文集:意味と例文で覚える200以上の英語イディオム
語彙学習

イディオム例文集:意味と例文で覚える200以上の英語イディオム

#イディオム #イディオム例文 #英語表現 #比喩表現
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イディオムを最も効率よく覚える方法は、例文を通じて学ぶことです。定義は意味を教えてくれますが、例文は実際の使い方を見せてくれます — 自然な文の中で、具体的な場面とともに。この記事では、200以上の英語イディオムを意味と例文付きで紹介します。ネイティブスピーカーが実際にどう使っているかがわかります。

ここに収録されているのは珍しい文学的表現ではありません。すべてのイディオムが日常会話、映画、ニュース、ビジネス、学術英語で定期的に使われています。IELTS、TOEFL、TOEICの対策中なら、試験で多くに出会うでしょう。仕事や旅行のために英語を学んでいるなら、毎日耳にするものばかりです。

  • 収録数: 200以上のイディオム例文
  • 形式: イディオム → 意味 → 例文
  • 整理方法: 10のトピックカテゴリー
  • 対象レベル: A2〜C1
  • こんな方に: 試験対策、流暢さの向上、ネイティブの英語理解

500以上のイディオムを網羅した完全版は、英語イディオム:完全ガイドをご覧ください。

日常生活

これらのイディオムは、日常会話で最も頻繁に使われます。

# イディオム 意味 例文
1 a piece of cake とても簡単なこと The driving test was a piece of cake — I passed on the first try.
2 break the ice 気まずい場で会話のきっかけを作る The team-building exercise helped break the ice on the first day.
3 hit the nail on the head 的を射る;まさにその通り You hit the nail on the head — that is exactly the problem.
4 under the weather 少し体調が悪い I’m feeling a bit under the weather today, so I’ll work from home.
5 once in a blue moon めったにない;ごくまれに We only eat out once in a blue moon — maybe twice a year.
6 call it a day 今日の仕事を終わりにする We’ve been at this for eight hours — let’s call it a day.
7 the last straw 堪忍袋の緒が切れるきっかけ Being late again was the last straw — they fired him.
8 get out of hand 手に負えなくなる The party got out of hand after midnight.
9 in the long run 長期的に見れば Learning English is hard now, but it will pay off in the long run.
10 at the end of the day 結局のところ At the end of the day, your health is more important than your job.
11 give it a shot やってみる;試してみる I’ve never tried skiing, but I’ll give it a shot.
12 a blessing in disguise 災い転じて福となる Losing that job was a blessing in disguise — I found a much better one.
13 better late than never 遅くてもやらないよりまし You finally finished the report? Well, better late than never.
14 bite off more than you can chew 自分の能力を超えることを引き受ける She bit off more than she could chew by signing up for five courses.
15 burn the midnight oil 夜遅くまで働く・勉強する I’ve been burning the midnight oil to finish this project.
16 hit the road 出発する It’s getting late — we should hit the road.
17 on the same page 同じ認識を持っている Let’s make sure we’re all on the same page before the meeting.
18 the tip of the iceberg 氷山の一角 The complaints we received are just the tip of the iceberg.
19 go the extra mile 期待以上の努力をする She always goes the extra mile for her clients.
20 a no-brainer 考えるまでもない明らかな選択 Taking the promotion was a no-brainer — better pay, better hours.

感情と気持ち

感情を表すイディオムは特に表現が豊かです。

# イディオム 意味 例文
21 on cloud nine 有頂天;最高に幸せ She’s been on cloud nine since she got the job offer.
22 over the moon 大喜びで They were over the moon when they heard about the baby.
23 down in the dumps 落ち込んでいる He’s been down in the dumps since his girlfriend left.
24 have butterflies in your stomach 緊張でそわそわする I always have butterflies in my stomach before interviews.
25 get cold feet 直前になって怖気づく He got cold feet and cancelled the presentation.
26 blow off steam ストレスを発散する After a tough week, I blow off steam by going to the gym.
27 keep your chin up 落ち込まずに頑張る I know you didn’t get the job, but keep your chin up.
28 on edge ピリピリしている;緊張状態 Everyone has been on edge since the layoff announcements.
29 sick and tired うんざりしている I’m sick and tired of hearing excuses.
30 lose your temper 怒りを爆発させる She rarely loses her temper, but today was an exception.
31 have a change of heart 気持ちが変わる;考え直す He was going to sell the house, but he had a change of heart.
32 get something off your chest 胸のつかえを取る;言いたいことを打ち明ける I need to get this off my chest — I disagree with the plan.
33 bite your tongue 言いたいことをぐっとこらえる I wanted to argue, but I bit my tongue.
34 cry over spilled milk 覆水盆に返らず(起きたことを嘆いても仕方ない) The deadline passed — there’s no point crying over spilled milk.
35 drive someone up the wall イライラさせる That constant noise is driving me up the wall.
36 have a soft spot for ~に弱い;特別な好意を持つ She has a soft spot for stray animals.
37 wear your heart on your sleeve 感情をあからさまに出す He wears his heart on his sleeve — you always know how he feels.
38 a weight off your shoulders 肩の荷が下りる Finishing the thesis was a huge weight off my shoulders.
39 jump for joy 飛び上がって喜ぶ When she heard the news, she literally jumped for joy.
40 scared stiff 恐怖で身動きできない I was scared stiff during the horror movie.

仕事とビジネス

ビジネスの場面やTOEICなどの試験に不可欠です。

# イディオム 意味 例文
41 back to square one 振り出しに戻る The client rejected our proposal, so it’s back to square one.
42 think outside the box 型にはまらない発想をする We need to think outside the box to solve this problem.
43 get the ball rolling 物事を始める;動き出す Let’s get the ball rolling on the new marketing campaign.
44 cut corners 手を抜く;品質を犠牲にする The builder cut corners on materials, and the roof leaked within a year.
45 in the loop 情報を共有されている Please keep me in the loop about any changes to the schedule.
46 pull strings コネを使う He pulled some strings to get his son the internship.
47 a game changer 状況を一変させるもの Remote work was a game changer for employee satisfaction.
48 bring to the table 貢献できるものを持ってくる What skills do you bring to the table?
49 up in the air 未定;はっきりしない The project timeline is still up in the air.
50 a win-win situation 双方にとって有益な状況 The deal was a win-win — both companies increased their market share.
51 the bottom line 要点;最も重要なこと The bottom line is that we need to cut costs by 15%.
52 go back to the drawing board 計画をやり直す That approach failed completely — time to go back to the drawing board.
53 ahead of the curve 時代の先を行く Their use of AI puts them ahead of the curve in the industry.
54 call the shots 決定権を持つ;仕切る As team lead, you’ll be calling the shots on this project.
55 on the same wavelength 気が合う;考え方が同じ We finished each other’s sentences — we were on the same wavelength.
56 raise the bar 基準を引き上げる The new CEO raised the bar for product quality.
57 a steep learning curve 習得が難しい時期 The new software has a steep learning curve, but it’s worth it.
58 touch base 簡単に連絡を取る Let’s touch base next week to check progress.
59 play it by ear 臨機応変にやる We don’t have a fixed agenda — let’s just play it by ear.
60 burn bridges 関係を断ち切る(後戻りできなくする) Don’t burn bridges when you leave a job — you may need those contacts later.

時間とスピード

# イディオム 意味 例文
61 in the nick of time 間一髪で;ギリギリ間に合って The ambulance arrived in the nick of time.
62 time flies 時が経つのは早い I can’t believe it’s December already — time flies.
63 around the clock 24時間休みなく The team worked around the clock to meet the deadline.
64 in a heartbeat 即座に;迷わず I’d move to Japan in a heartbeat if I got the chance.
65 against the clock 時間との勝負 We’re working against the clock to finish before Friday.
66 behind the times 時代遅れの Their marketing strategy is behind the times.
67 a matter of time 時間の問題 It’s only a matter of time before they find out.
68 from time to time ときどき I still think about my old school friends from time to time.
69 kill time 時間をつぶす I was just killing time at the airport, browsing the shops.
70 at the eleventh hour 土壇場で The agreement was reached at the eleventh hour.

イディオム例文の10カテゴリー — 日常生活、感情、仕事、時間、お金、成功、人間関係、知識、自然、健康

お金と価値

# イディオム 意味 例文
71 cost an arm and a leg 非常に高くつく The car repair cost an arm and a leg.
72 break the bank 財布を空にする;大金を使う A weekend trip doesn’t have to break the bank.
73 a rip-off ぼったくり $15 for a cup of coffee? That’s a rip-off.
74 make ends meet なんとか生計を立てる After losing her job, she struggled to make ends meet.
75 save for a rainy day まさかの時のために貯金する My grandmother always told me to save for a rainy day.
76 worth its weight in gold 非常に価値がある A good mentor is worth their weight in gold.
77 penny for your thoughts 何を考えているの? You’ve been quiet all evening — penny for your thoughts?
78 pay through the nose 法外な金額を払う We paid through the nose for those concert tickets.
79 tighten your belt 倹約する;出費を切り詰める After the pay cut, the whole family had to tighten their belts.
80 money talks 金がものを言う He got the best lawyer — money talks.
81 foot the bill 費用を負担する The company will foot the bill for the team dinner.
82 bring home the bacon 一家の稼ぎ手となる Both parents bring home the bacon in most families today.
83 go Dutch 割り勘にする We always go Dutch when we eat out together.
84 put your money where your mouth is 言葉だけでなく行動で示す If you really believe in the idea, put your money where your mouth is.
85 a dime a dozen ありふれている;価値がない Business ideas are a dime a dozen — execution is what matters.

成功と失敗

# イディオム 意味 例文
86 hit the jackpot 大当たりする We hit the jackpot with our new hire — she’s brilliant.
87 back to the drawing board やり直し The experiment failed, so it’s back to the drawing board.
88 miss the boat 機会を逃す If you don’t apply this week, you’ll miss the boat.
89 a long shot 可能性が低いこと Getting into Harvard is a long shot, but worth trying.
90 break new ground 新境地を開く The research team broke new ground in renewable energy.
91 on a roll 絶好調 She’s won three games in a row — she’s on a roll.
92 the sky’s the limit 可能性は無限大 With your talent, the sky’s the limit.
93 throw in the towel あきらめる;降参する After three failed attempts, he threw in the towel.
94 come up short 目標に届かない We came up short of our sales target by just 2%.
95 fall flat 完全に失敗する The joke fell flat — nobody laughed.
96 have the upper hand 優位に立つ With more experience, she has the upper hand in negotiations.
97 make or break 成否を分ける;一か八か This presentation is make or break for the entire project.
98 from rags to riches 無一文から大成功へ Her from-rags-to-riches story inspired millions.
99 a hard nut to crack 難問;手ごわい相手 Getting planning permission was a hard nut to crack.
100 learn the ropes コツを覚える;仕事を覚える It took me a few weeks to learn the ropes at the new office.

人間関係

# イディオム 意味 例文
101 see eye to eye 意見が完全に一致する My sister and I rarely see eye to eye on politics.
102 stab someone in the back 裏切る I trusted him, and he stabbed me in the back.
103 give someone the cold shoulder 冷たくあしらう After the argument, she gave me the cold shoulder for a week.
104 let someone off the hook 責任を免れさせる The teacher let him off the hook for missing the deadline.
105 break the ice 場の雰囲気を和らげる A simple joke can break the ice at a networking event.
106 hit it off すぐに意気投合する We hit it off the moment we met at the conference.
107 go behind someone’s back 陰でこそこそする He went behind my back and complained to the manager.
108 the apple of someone’s eye 目に入れても痛くない存在 Their granddaughter is the apple of their eye.
109 be on thin ice 危険な状況にある You’re on thin ice with the boss after missing two deadlines.
110 bend over backwards 全力を尽くす She bent over backwards to make the guests feel welcome.
111 birds of a feather 類は友を呼ぶ They’re both data nerds — birds of a feather.
112 bury the hatchet 争いを終わらせる;和解する After years of rivalry, they finally buried the hatchet.
113 get on someone’s nerves 神経に障る;イライラさせる His constant humming really gets on my nerves.
114 pull someone’s leg からかう;冗談を言う Relax, I’m just pulling your leg — of course you passed.
115 a shoulder to cry on 頼りになる相談相手 Everyone needs a shoulder to cry on sometimes.

知識と学習

学術的な場面や試験で特に役立ちます。

# イディオム 意味 例文
116 know something inside out 隅から隅まで知っている She knows the company’s policies inside out.
117 pick someone’s brain 知恵を借りる Can I pick your brain about investing?
118 a steep learning curve 覚えることが多く大変な時期 Starting a new programming language is always a steep learning curve.
119 ring a bell 聞き覚えがある The name rings a bell, but I can’t remember where I heard it.
120 the penny dropped やっとわかった;ピンときた I stared at the puzzle for an hour, and then the penny dropped.
121 do your homework 事前にしっかり調べる Before the interview, do your homework on the company.
122 learn by heart 暗記する She learned the entire poem by heart.
123 a quick study 飲み込みが早い人 He’s a quick study — he picked up the software in one day.
124 have a lot on your plate やることが山積みである She has a lot on her plate between work and evening classes.
125 food for thought 考えさせられること The lecture was food for thought — I’m reconsidering my approach.
126 think on your feet その場で素早く判断する Good managers need to think on their feet.
127 know the ropes 要領を心得ている After six months, I finally know the ropes.
128 back to basics 基本に立ち返る The team needs to go back to basics and focus on quality.
129 read between the lines 行間を読む If you read between the lines, the email is actually a warning.
130 on the right track 正しい方向に進んでいる Your essay is on the right track — just needs a stronger conclusion.

自然と天気

# イディオム 意味 例文
131 raining cats and dogs 土砂降り We can’t go out — it’s raining cats and dogs.
132 under the weather 体調が優れない I’m a bit under the weather — I think I caught a cold.
133 a storm in a teacup コップの中の嵐(些細なことでの大騒ぎ) The argument at the meeting was a storm in a teacup.
134 every cloud has a silver lining 災い転じて福となす;悪いことにも良い面がある I lost my job, but I found a better one — every cloud has a silver lining.
135 break the ice 場の空気を和ませる His joke broke the ice and everyone relaxed.
136 tip of the iceberg 氷山の一角 The accounting errors are just the tip of the iceberg.
137 when it rains, it pours 泣きっ面に蜂;悪いことは重なる First the car broke down, then I lost my wallet — when it rains, it pours.
138 get wind of ~の噂を耳にする The press got wind of the merger before the official announcement.
139 a breath of fresh air 新鮮な風;リフレッシュされるもの Her creative approach was a breath of fresh air for the team.
140 calm before the storm 嵐の前の静けさ The office was quiet on Friday — it was the calm before the storm.
141 snowed under 仕事に埋もれている I’m completely snowed under this week — can we meet next Monday?
142 nip something in the bud 芽のうちに摘む;早期に対処する We need to nip this issue in the bud before it affects other departments.
143 come rain or shine 何があっても;どんな状況でも I walk to work every day, come rain or shine.
144 twist someone’s arm 無理に説得する I didn’t want to go, but she twisted my arm.
145 beat around the bush 遠回しに言う;核心を避ける Stop beating around the bush and tell me what happened.

行動と決断

# イディオム 意味 例文
146 take the plunge 思い切ってやる After years of planning, she finally took the plunge and started her own business.
147 go the extra mile 求められる以上の努力をする He always goes the extra mile to satisfy customers.
148 cross that bridge when you come to it そのときになったら考える We might not get rejected — let’s cross that bridge when we come to it.
149 sleep on it 一晩考える That’s a big commitment — why don’t you sleep on it?
150 jump on the bandwagon 流行に乗る Every company is jumping on the AI bandwagon right now.
151 turn over a new leaf 心機一転する After the warning, he promised to turn over a new leaf.
152 sit on the fence 態度を決めかねる Stop sitting on the fence and choose a direction.
153 take it with a grain of salt 話半分に聞く He exaggerates — take everything he says with a grain of salt.
154 put all your eggs in one basket 一つのことに全てを賭ける Don’t put all your eggs in one basket — apply to several companies.
155 let the cat out of the bag うっかり秘密を漏らす I was planning a surprise, but my brother let the cat out of the bag.
156 face the music 結果を受け入れる You made the mistake — now you have to face the music.
157 get your act together しっかりする If you want to pass the exam, you need to get your act together.
158 take the bull by the horns 困難に正面から立ち向かう Instead of waiting, she took the bull by the horns and spoke to the director.
159 a taste of your own medicine 自分がしたことと同じ目に遭う He’s always late, so we left without him — a taste of his own medicine.
160 cut to the chase 本題に入る Let’s cut to the chase — how much will it cost?

健康と体

# イディオム 意味 例文
161 in good shape 良い状態;健康 The economy is in good shape despite recent challenges.
162 a clean bill of health 健康のお墨付き The doctor gave her a clean bill of health.
163 feel on top of the world 最高の気分 After the vacation, I feel on top of the world.
164 keep body and soul together どうにか生き延びる During the recession, many families struggled to keep body and soul together.
165 back on your feet 回復する;立ち直る After six months of treatment, she’s back on her feet.
166 an apple a day keeps the doctor away 健康的な習慣が病気を防ぐ I eat fruit every morning — an apple a day keeps the doctor away.
167 burn the candle at both ends 無理をしすぎる You’re burning the candle at both ends — you need to slow down.
168 alive and kicking 元気いっぱい She’s 90 years old and still alive and kicking.
169 at death’s door 瀕死の状態 He looked like he was at death’s door, but he recovered completely.
170 break a leg 頑張って!(舞台前の激励) You’re going on stage? Break a leg!

イディオムを効率よく覚える方法

200のイディオムを一度に暗記するのは現実的ではありません。実践的なアプローチを紹介します。

ステップ1:5〜10個ずつグループで学ぶ

このリストから1つのトピックカテゴリー(感情、仕事、お金など)を選び、その中から5〜10個のイディオムを学びましょう。意味を理解し、例文を読み、自分のオリジナル文を書いてみてください。

ステップ2:間隔反復を活用する

イディオムをLinglifyの辞書に追加して、自動レビューを活用しましょう。イディオムは通常の語彙パターンに従わないため忘れやすく、間隔反復が欠かせません。

ステップ3:聞いて認識する

英語の映画やドラマを観ながら、イディオムを聞き取る練習をしましょう。聞こえたら一時停止し、意味がわかるか確認します。これにより自然な会話の中での認識力が鍛えられます。

ステップ4:会話で使う

週に2〜3個のイディオムを選び、意識的にスピーキングやライティングで使いましょう。文脈の中で正しく使えるイディオム1つは、使わないまま覚えた50個の定義より価値があります。

よくある間違い

  • イディオムを直訳する。「Break a leg」を他の言語にそのまま訳しても意味が通じません。表現を一つのまとまりとして覚えましょう。
  • 似たイディオムを混同する。「Hit the road」(出発する)と「hit the books」(猛勉強する)。少しの違いで、意味はまったく異なります。
  • イディオムの使いすぎ。 1段落に1〜2個が自然です。5個も入れると不自然に聞こえます。IELTS Speakingでは1回の回答につき最大1〜2個にしましょう。
  • レジスターの間違い。 「no-brainer」「rip-off」などはカジュアルな表現で、フォーマルな文章には不向きです。一方、「in the long run」「the bottom line」はフォーマル・インフォーマルの両方で使えます。

試験でのイディオム活用については、IELTS Speakingのためのイディオムガイドをご覧ください。

練習用の単語

以下の25語は、英語のイディオムと一緒に頻出する単語です。Linglifyの辞書に追加して、間隔反復で覚えましょう。

boom

名詞

辞書に追加

急増, ブーム, 爆発

- The boom of thunder echoed across the valley.

- The technology boom created many new millionaires.

cooperate

動詞

辞書に追加

協力する, 協働する

evaluate

動詞

辞書に追加

評価する, 査定する

- Companies evaluate job candidates based on experience, skills, and personality.

- Teachers evaluate student progress through tests, projects, and classroom participation.

graduate

動詞

辞書に追加

卒業する

- She will graduate from university next year with a degree in engineering.

- Students must complete all requirements before they can graduate from high school.

horizon

名詞

辞書に追加

地平線

- The sun disappeared behind the horizon as evening approached.

- Traveling broadens your horizon and exposes you to new cultures.

indispensable

形容詞

辞書に追加

不可欠な

- Clean water is indispensable for human survival and good health.

- Her experience and skills make her indispensable to the research team.

jury

名詞

辞書に追加

陪審団, 陪審

- The jury deliberated for several hours before reaching a verdict.

- The talent show jury consisted of professional musicians and entertainers.

lifelong

形容詞

辞書に追加

一生の, 生涯の

- Learning is a lifelong process that never truly ends.

- Their lifelong friendship began during elementary school years.

motivated

形容詞

辞書に追加

やる気のある

- Motivated employee seeks additional responsibilities and challenges at work.

- Success requires being motivated even when facing difficult obstacles.

normally

副詞

辞書に追加

通常は, 普通は, ふつうは

- Heart normally beats between sixty and hundred times per minute.

- Students normally arrive at school before morning bell rings.

離れて, 切れて, 休みの

- Please turn off the lights before leaving the room.

- The dog ran off into the forest chasing wild rabbits.

prejudice

名詞

辞書に追加

偏見, 先入観, 差別

- Education helps overcome prejudice and promotes understanding.

- Racial prejudice damages communities and individuals alike.

resolve

動詞

辞書に追加

解決する, 決意する

- Mediator helps parties resolve dispute through negotiation.

- Technical team will resolve software problems quickly.

stress

動詞

辞書に追加

強調する, 緊張させる

- Heavy workload may stress employees beyond limits.

- Teacher will stress importance of homework completion.

total

形容詞

辞書に追加

全体の, 総合的な, 完全な

- Total cost includes all fees and expenses.

- Total silence fills room during meditation session.

tragedy

名詞

辞書に追加

悲劇

- Natural tragedy affects thousands of innocent people.

- Personal tragedy changes person's life perspective completely.

union

名詞

辞書に追加

連合, 結合, 協会

- Labor union protects worker rights and interests.

- Marriage union joins two people in partnership.

voyage

名詞

辞書に追加

航海, 旅行

- Space exploration represents humanity's greatest voyage into the unknown.

- The ocean voyage from Europe to America took several weeks in the past.

candidate

名詞

辞書に追加

候補者, 志願者

- Each presidential candidate presented their policy plans to voters.

- The job candidate impressed the interview panel with her experience.

discourage

動詞

辞書に追加

落胆させる, 思いとどまらせる, 意欲をなくさせる

- Don't let one failure discourage you from pursuing your dreams.

- High prices discourage many people from buying organic food products.

donate

動詞

辞書に追加

寄付する

- Many people donate money to charities that help homeless individuals.

- She decided to donate blood to help patients in emergency situations.

firmly

副詞

辞書に追加

しっかりと, 堅く

- Hold the rope firmly while climbing down the steep mountain slope.

- The manager firmly believed in treating all employees with respect.

guide

動詞

辞書に追加

案内する

- Parents should guide their children to make responsible decisions.

- The experienced hiker will guide the group through the mountain trail safely.

humorous

形容詞

辞書に追加

ユーモラスな, 面白い, 滑稽な

- She writes humorous articles about everyday life and family experiences.

- The humorous speech made everyone laugh and lightened the serious mood.

admission

名詞

辞書に追加

入場, 入学, 認めること

- Her admission to the prestigious medical school was the result of hard work.

- The museum offers free admission on the first Sunday of every month.

次のステップ

  1. 1つのカテゴリーを選び、今週10個のイディオムを覚えましょう。それぞれについて自分のオリジナル例文を書いてください。

  2. お気に入りをLinglifyに追加して、間隔反復で定着させましょう。「idioms」タグを付ければ、カテゴリーごとにまとめて復習できます。

  3. 完全版リファレンスを確認英語イディオム:500以上の頻出表現ガイドで、すべての主要カテゴリーを網羅しています。

  4. 試験対策に活用 — IELTSを受験予定なら、IELTS Speakingイディオムガイドでスコアアップのための使い方を学びましょう。

  5. 関連する語彙も学ぶ — イディオムは自然な英語の一要素です。句動詞コロケーション類義語・対義語のガイドもご覧ください。

FAQ

イディオムとは何ですか?例を教えてください。

イディオムとは、個々の単語の意味からは全体の意味を推測できない固定表現です。例えば「break the ice」は物理的に氷を割ることではなく、「気まずい場面で会話のきっかけを作る」という意味です。例文:「The host told a joke to break the ice at the party.」イディオムの最大の特徴は、フレーズ全体が字義通りの意味とは異なる意味を持つことです。

英語で最も使われるイディオム10選は?

日常英語で最も頻繁に使われるイディオムは次の通りです:(1) a piece of cake(簡単なこと)、(2) break the ice(場を和ませる)、(3) hit the nail on the head(的を射る)、(4) under the weather(体調不良)、(5) once in a blue moon(めったにない)、(6) call it a day(今日は終わり)、(7) in the long run(長期的に)、(8) the last straw(最後の一線)、(9) on the same page(認識が一致)、(10) a no-brainer(明らかな選択)。

英語にはイディオムがいくつありますか?

英語には推定25,000以上のイディオム表現があるとされています。ただし、ネイティブスピーカーが日常的に使うのは200〜500程度です。学習者にとっては、100〜200の頻出イディオムを知っていれば、ほとんどの会話を理解でき、試験でも十分対応できます。500以上を網羅した完全ガイドもご活用ください。

イディオムを効率よく覚えるには?

最も効果的なアプローチは3つのテクニックの組み合わせです:(1) トピック別にグループで学ぶ(お金のイディオムはまとめて、仕事のイディオムはまとめて)— これにより連想記憶が作られます。(2) 間隔反復で定期的に復習する。(3) 毎週2〜3個のイディオムを自分のスピーキングやライティングで実際に使う。文脈での学習は、定義を読むだけの学習より3〜4倍効果的です。

IELTSのライティングでイディオムを使うべきですか?

IELTS Writingではイディオムは控えめに — 1エッセイにつき最大1〜2個、自然に馴染む場合のみ使いましょう。IELTS Writingはフォーマルな学術的言語を評価するため、カジュアルすぎるイディオム(「a piece of cake」「go bananas」)は不適切です。「in the long run」「the tip of the iceberg」「a double-edged sword」などは学術的文脈でも使えます。IELTS Speakingではイディオムはより適切で、1回の回答につき1〜2個使うと自然な英語力を示せます。

イディオムと句動詞の違いは?

イディオムは非字義的な意味を持つ固定表現です(「kick the bucket」= 死ぬ)。句動詞は動詞+助詞の組み合わせで新しい意味を作ります(「give up」= やめる)。これら2つのカテゴリーは重なります — 句動詞がイディオム的なもの(「come across」= 偶然見つける)もあれば、イディオムの中に句動詞が含まれるものもあります。実用的な違いは、句動詞は文法規則に従って活用できる(「gave up」「giving up」)のに対し、イディオムは通常変更できない固定フレーズであるという点です。