beat your brains out

(infml, especially North American Englsih) to think very hard about sth for a long time

绞尽脑汁；反复推敲

I beat my brains out to rescue him.

为了救他，我伤透了脑筋。

I know we'd have to beat our brains out to get it done in reasonable time.

我知道我们必须绞尽脑汁以便在合理的时间内完成这件工作。

It was too hard for him and he beat his brains out trying to get the answer.


这个问题对他来说大深奥了，他绞尽脑汁想找出答案。

I've been beating my brains out trying to put this bicycle together.

我为了组装这辆自行车而绞尽脑汁。

I've been beating my brains out all day over that report.


我一整天都在为那份报告绞脑汁。


I beat my brains out trying to think of a way of getting round the difficulty.


我绞尽脑汁，试图想出避开那一困难的办法。

The author beat his brains out to find some one to publish his novel.

那作者为了找个人来出版而绞尽了脑汁。

He beat his brains out but still didn't know where she went.

他绞尽脑汁也想不出她人会到哪里去。


当然，这个词组也有本身的含义：揍扁某人的脑袋，砸烂某人的狗头；严厉惩罚某人

They stood over him with clubs raised as if to beat his brains out.

他们举着棍子监视着他，好像要揍扁他的脑袋。

《柯林斯高阶英汉双解学习词典》

If I had caught that guy, I would have beaten his brains out.

要是当时我逮住了那家伙，准要砸烂他的狗头。

Do that again, and I'll beat your brains out.

你再干那事小心我揍扁你。