throw someone a curveball
US /θroʊ ˈsʌm.wʌn ə ˈkɜrv.bɔl/
UK /θroʊ ˈsʌm.wʌn ə ˈkɜrv.bɔl/
1.
给人出难题, 让人措手不及
to present someone with an unexpected difficulty or challenge
:
•
The boss really threw us a curveball with that last-minute change to the project.
老板在项目上临时改动，真是给我们出了个难题。
•
Life can sometimes throw you a curveball when you least expect it.
生活有时会在你最意想不到的时候给你一个措手不及。