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よく使う英語のイディオム

98の日常的なイディオムを頻度順に掲載。意味・例文と意味を選ぶクイズ付き。

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実力チェック：どんな意味？

例文付きのイディオム10問。4つの選択肢から正しい意味を選びます。

出題範囲：

よく使う英語のイディオム98選

テーマグループ

イディオム	意味	例文
a piece of cake	very easy	The exam was a piece of cake.
actions speak louder than words	what you do matters more than what you say	He promised to help, but actions speak louder than words.
beat around the bush	avoid saying something directly	Stop beating around the bush and tell me what happened.
better late than never	it is better to do something late than not at all	He finally replied to my email. Better late than never!
break the ice	make people feel relaxed when they first meet	He told a funny story to break the ice.
call it a day	stop working for the day	It's six o'clock. Let's call it a day.
cost an arm and a leg	be very expensive	That new phone costs an arm and a leg.
don't judge a book by its cover	don't judge by appearance	The café looks old, but don't judge a book by its cover; the food is great.
easier said than done	simple to say, hard to do	"Just stop worrying." "That's easier said than done."
get the hang of something	learn how to do something	Driving is hard at first, but you'll get the hang of it.
give someone a hand	help someone	Can you give me a hand with these boxes?
hang in there	don't give up	Hang in there; the exams are almost over.
in the same boat	in the same difficult situation	Don't worry about being new; we're all in the same boat.
keep an eye on	watch carefully	Can you keep an eye on my bag for a minute?
keep in touch	continue to contact someone	Let's keep in touch after the course ends.
kill two birds with one stone	achieve two things with one action	I walk to work, so I kill two birds with one stone: exercise and no traffic.
make a long story short	tell something briefly	To make a long story short, we missed the plane.
no pain, no gain	you must work hard to achieve something	Training every morning is hard, but no pain, no gain.
once in a blue moon	very rarely	We only eat out once in a blue moon.
out of the blue	suddenly and unexpectedly	He called me out of the blue after ten years.
pull someone's leg	joke with someone, tease them	Relax, I'm just pulling your leg.
speak of the devil	said when the person you are talking about appears	Speak of the devil! We were just talking about you.
take it easy	relax, don't worry or work too hard	You've worked all week; take it easy this weekend.
time flies	time passes very quickly	Time flies when you're having fun.
time is money	wasting time is wasting money	Let's start the meeting; time is money.
under pressure	feeling stressed because of demands	She works well under pressure.
under the weather	feeling slightly ill	I'm feeling a bit under the weather today.
you can say that again	I completely agree	"It's freezing today." "You can say that again!"
a blessing in disguise	something that seems bad but turns out well	Losing that job was a blessing in disguise.
a drop in the ocean	a very small amount compared to what is needed	Our donation is a drop in the ocean, but it helps.
all ears	listening carefully and eagerly	Tell me everything; I'm all ears.
back to square one	back to the beginning	The deal fell through, so we're back to square one.
best of both worlds	the advantages of two different things	Working from home two days a week gives me the best of both worlds.
bite off more than you can chew	try to do more than you are able to	With three jobs, she has bitten off more than she can chew.
bite the bullet	do something unpleasant that you have been avoiding	I hate the dentist, but I bit the bullet and booked an appointment.
break a leg	good luck (said to performers)	Break a leg tonight! You'll be great.
cry over spilt milk	be upset about something that cannot be changed	The money is gone; there's no use crying over spilt milk.
cut corners	do something cheaply or badly to save time or money	The builders cut corners, and now the roof leaks.
cut to the chase	get to the point	Let's cut to the chase: how much does it cost?
every cloud has a silver lining	something good comes from every bad situation	I missed my flight but met an old friend at the airport. Every cloud has a silver lining.
face the music	accept the consequences of your actions	He broke the window, and now he has to face the music.
feel like a fish out of water	feel uncomfortable in a new situation	At my first business dinner, I felt like a fish out of water.
get cold feet	become nervous and want to cancel a plan	He got cold feet the day before the wedding.
get out of hand	become impossible to control	The party got out of hand and the neighbours called the police.
get something off your chest	talk about something that has been worrying you	Thanks for listening; I needed to get that off my chest.
go the extra mile	make more effort than expected	The hotel staff always go the extra mile for their guests.
have a lot on your plate	have many things to deal with	I can't help this week; I have a lot on my plate.
have second thoughts	start to doubt a decision	I'm having second thoughts about moving to London.
hit the books	study hard	I can't come out tonight; I need to hit the books.
hit the nail on the head	describe exactly what is right	You hit the nail on the head: the problem is the price.
hit the road	leave, start a journey	It's getting late; we should hit the road.
in hot water	in trouble	He's in hot water for missing the meeting.
in the nick of time	just before it is too late	The ambulance arrived in the nick of time.
it's not rocket science	it is not difficult to understand	Just follow the instructions; it's not rocket science.
it's raining cats and dogs	it is raining very heavily	Take an umbrella; it's raining cats and dogs.
keep your chin up	stay positive in a difficult situation	Keep your chin up; things will get better.
learn the ropes	learn how to do a job	It took me a month to learn the ropes at my new job.
let the cat out of the bag	reveal a secret by mistake	We planned a surprise party, but my brother let the cat out of the bag.
make ends meet	have just enough money to live	With prices rising, many families struggle to make ends meet.
miss the boat	lose an opportunity by being too slow	Tickets sold out in an hour; I missed the boat.
on cloud nine	extremely happy	She's been on cloud nine since she got the job.
on the fence	undecided	I'm still on the fence about buying a car.
on the same page	agreeing about something	Let's discuss the plan so we're all on the same page.
on thin ice	in a risky situation	After being late again, he's on thin ice with his boss.
once and for all	finally and completely	Let's solve this problem once and for all.
play it by ear	decide as things happen, without a plan	We don't know the weather yet, so let's play it by ear.
pull yourself together	calm down and control your feelings	Pull yourself together; we need you to focus.
rule of thumb	a practical general rule	As a rule of thumb, save ten percent of what you earn.
save for a rainy day	keep money for a time when you might need it	My grandmother taught me to save for a rainy day.
see eye to eye	agree with someone	My sister and I don't always see eye to eye.
sit on the fence	not choose a side	You can't sit on the fence forever; you have to decide.
sleep on it	wait until the next day to decide	Don't answer now; sleep on it and tell me tomorrow.
spill the beans	tell a secret	Come on, spill the beans! Who is she?
the ball is in your court	it is your turn to decide or act	I've made my offer; now the ball is in your court.
the last straw	the final problem that makes a situation unbearable	The broken heater was the last straw; we moved out.
the tip of the iceberg	a small part of a much bigger problem	These complaints are just the tip of the iceberg.
think outside the box	think creatively	We need to think outside the box to solve this.
throw in the towel	give up	After three failed attempts, he threw in the towel.
up in the air	not yet decided	Our holiday plans are still up in the air.
when pigs fly	never	He'll clean his room when pigs fly.
a penny for your thoughts	what are you thinking about?	You look serious. A penny for your thoughts?
add insult to injury	make a bad situation worse	My flight was cancelled, and to add insult to injury, they lost my bag.
burn the midnight oil	work late into the night	She burned the midnight oil to finish her thesis.
by the skin of your teeth	only just	We caught the train by the skin of our teeth.
give someone the benefit of the doubt	believe someone although you are not sure	His story sounded strange, but I gave him the benefit of the doubt.
go back to the drawing board	start planning again because the first plan failed	The design didn't work, so it's back to the drawing board.
go Dutch	share the cost of a meal	On our first date, we decided to go Dutch.
ignorance is bliss	not knowing something can make you happier	I don't want to know how many calories this has. Ignorance is bliss.
jump on the bandwagon	join something because it is popular	Every company jumped on the bandwagon and launched an app.
let sleeping dogs lie	avoid talking about an old problem	They argued years ago; it's better to let sleeping dogs lie.
see the light at the end of the tunnel	see that a difficult time is ending	After months of repairs, we can finally see the light at the end of the tunnel.
steal the show	be the most noticed person at an event	The youngest dancer stole the show.
take something with a grain of salt	not completely believe something	Take his advice with a grain of salt; he's never done it himself.
the best thing since sliced bread	an excellent new invention or idea	My dad thinks his new coffee machine is the best thing since sliced bread.
the elephant in the room	an obvious problem nobody wants to talk about	Nobody mentioned the budget cuts, the elephant in the room.
twist someone's arm	persuade someone to do something	I didn't want dessert, but she twisted my arm.
under the table	secretly and often illegally	He was paid under the table.
you can't have your cake and eat it	you can't have two good things that exclude each other	You want a big house and no mortgage? You can't have your cake and eat it.