1. Piece of cake: dễ như trở bàn tay
The assignment is just a piece of cake.
2. Cost an arm and a leg: đắt cắt cổ
This dress costs an arm and a leg
3. Break a leg: chúc may mắn
A: I’m gonna take the final exam tomorrow.
B: Break a leg!
4. Hit the roof: tức giận
My father hit the roof when seeing my test results.
5. Let the cat out of the bag: lỡ lời làm lộ bí mật
I wanted it to be a surprise but my sister let the cat out of the bag
6. When pigs fly: không thể nào xảy ra
I will finish this by the end of the week when pigs fly.
7. You can’t judge a book by its cover: không thể chỉ nhìn bề ngoài mà đánh giá mọi thứ
8. Bite off more than you can chew: cố làm quá sức của mình
You are too obsessed with this work. Don’t bite off more than you can chew.
9. You scratch my back and I’ll scratch yours: Có đi có lại
10. Hit the nail on the head: nói đúng, chuẩn xác
He has just hit the nail on the head about her whereabouts.