have a bee in your bonnet

informal

如果你对一件事儿是 a bee in your bonnet, 那就是说你不能停止、没完没了地想这件事儿。我们常用这个短语来描述一个人对某事担忧、着急或因某事而很生气。单词 bonnet 在这里指的是一种帽子。

to keep talking about something again and again because you think it is very important

念念不忘;对…入迷，对…着魔

She never stops talking about dieting - she's got a real bee in her bonnet about it.

她不停地谈论节食——她已完全着魔了。