绞尽脑汁

His classmates were labouring with elementary algebra.

他的同学们正在绞尽脑汁地演算初等代数题.

She began to rack her brains to remember what had happened at the nursing home.

她开始绞尽脑汁地回忆在疗养院发生的事。

I worked myself into frenzy plotting ways to make him jealous.

我绞尽脑汁，处心积虑，就是为了让他嫉妒。

All night I have been tossing and turning racking my brains to think what could have possessed the young man to kill himself.

整整一晚我辗转反侧,绞尽脑汁,想弄明白是什么原因竟能促成这个年轻人自杀.

I have searched my mind for a reason, but can't find one.

我绞尽脑汁寻找理由, 但是没找到.

She is worrying the problem out.

她正在绞尽脑汁解决这个问题.

Shelton watched her, racking his brains to find excuses for that fatal laugh.

谢尔顿注视着她, 绞尽脑汁要找个借口来解释刚才那致命的一笑.

Bob racked his brains trying to remember where he left the book.

鲍勃绞尽脑汁试图回忆起书丢在何处.

I racked my brains to find the answer.

我为找到此答案而绞尽脑汁.

And though she cudgelled her brains, she could not come at his answer.

她绞尽脑汁, 却仍然听不懂他的回答.

He puzzled himself over the matter.

他对那件事绞尽脑汁.

He searched desperately for words to change her thinking.

他绞尽脑汁地找一些话来改变她的想法.

Officials racked their minds for a solution.

官员们绞尽脑汁寻求解决的办法.

We racked our brains for an answer.

我们为寻找答案而绞尽脑汁.

My ingenuity is on the rack to find a good excuse.

我正在绞尽脑汁找借口.