a head scratcher 费解之事

英文释义

(FORMAL) Something that confuses; a puzzler.

例句

EXAMPLE: My friend's sudden departure from the company at which he worked happily for ten years is a real head scratcher, and I can't understand it.

我的朋友突然离开他快乐工作了十年的公司实在让人费解，我想不明白。