an arm and a leg 表示东西很贵
This bag costs an arm and a leg.
to call it a day 今天就到此为止吧
I'am feeling a bit tired. I think I will call it a day.
to pop one's clogs 形容某人去世了
My neighbor has poped his clogs.
a piece of cake 形容很容易
This test was a piece of cake.
break a leg 祝你好运
网友评论