Cindy教口语，“绞尽脑汁”英语怎么说？

原文地址

Rack one's brain
 

rack one's brain /ræk/

绞尽脑汁，努力思索
 

This phrase means that someone tries every way to think about something.

这个短语用来形容想尽办法、费尽心思去思考一件事情。
 

He racked his brain for hours to solve the puzzle.

他绞尽脑汁想了好几个小时，试图解开这个迷题。
 

He racked his brain for a long time trying to figure out why his girlfriend was so angry, but failed.

他拼命想了好久都不知道他女朋友为什么那么生气。