“绞尽脑汁”用英语怎么说呢？

⭐1⭐

rack one's brain(s)

绞尽脑汁

rack /ræk/ n.搁物架; 挂物架; v.使痛苦

【解释】

to think very hard in order to try to remember something, solve a problem, etc.

【例句】

She racked her brains, trying to remember exactly what she had said. 

她绞尽脑汁，想要回忆起她到底说过些什么话。

I've been racking my brain, but I can't remember his name.

我绞尽脑汁，就是想不起他的名字。

I have been racking my brain. I can only come up with two possible answers.

我绞尽脑汁的想，只能想出两个答案。

⭐2⭐

be at one's wit's end

智穷才竭

一筹莫展

不知所措

黔驴技穷

【解释】

If you are at your wits' end, you are extremely worried about a serious problem that you have tried hard to solve but cannot.

【例句】

I'm at my wit's end with this problem. I cannot figure it out.

对于这个问题我一筹莫展，想不出来呀。

The baby's been crying for hours, and I'm at my wits' end!

小孩一直哭了好几个小时了，我真的我不知道该怎么办。

⭐3⭐

think (long and) hard

认真/仔细地思考/想

【解释】

To give very careful and thorough consideration (to something).

【例句】

You had better think long and hard before you say your next words, because you are on thin ice.

说话之前你最好想想，因为你现在如履薄冰。

I thought hard about what colleges I wanted to apply to—it wasn't just a rash decision.

我当时很努力的想我想申请什么样的大学，这不是一个轻率的决定。