1.
Worry a problem out.
绞尽脑汁解决掉问题。
2.
She is worrying the problem out.
她正在绞尽脑汁解决这个问题。
3.
puzzle one's brain upon a problem
绞尽脑汁以求解决某一问题
4.
Officials racked their minds for a solution.
官员们绞尽脑汁寻求解决的办法。
5.
They are trying to worry out an answer to the difficulty.
他们在试图绞尽脑汁，找出解决困难的办法。
6.
He had to rack his brains to solve that complicated problem.
他不得不绞尽脑汁去解决那个复杂问题。
7.
He was at his wit's end thinking of a solution.
他因要想出一个解决的方法而绞尽脑汁。
8.
The scientists are beating their brains trying to come up with a solution to the problem.
科学家正绞尽脑汁，力求找到解决这个问题的办法。
9.
He delights to worry out knotty points in English.
他以绞尽脑汁来解决盘根错节般的项语问题为乐。
10.
Mary tried with all her might and main to solve the problem.
玛丽绞尽脑汁想解答这个问题。
11.
So he thought over various plans for relief,
他绞尽脑汁想解脱的计划：
12.
addle one's head
搞得头昏脑胀, 绞尽脑汁
13.
I rack my brain trying to remember the answer .
我绞尽脑汁想答案。
14.
I racked my brains for a way of escape.
我绞尽脑汁设法逃脱。
15.
She beat her brains out during the examination.
在考试中她绞尽脑汁
16.
laBor at a proBlem
绞尽脑汁地做一道难题
17.
I'm racking my brains to find a way to keep head above water.
我绞尽脑汁想法不欠债。
18.
He puzzled his brains (ie thought hard) to find the answer.
他绞尽脑汁以寻求答案.