【地道口语】rack one's brain 这个俚语的意思是：绞尽脑汁，例如：I racked my brain for hours to solve the puzzle. 我冥思苦想好几个小时,试图解开这道谜. She racked her brain trying to remember his name. 她绞尽脑汁,想记起他的名字.I racked my brain to figure out a way to impress my bos

【地道口语】rack one's brain 这个俚语的意思是：绞尽脑汁，例如：I racked my brain for hours to solve the puzzle. 我冥思苦想好几个小时,试图解开这道谜. She racked her brain trying to remember his name. 她绞尽脑汁,想记起他的名字.I racked my brain to figure out a way to impress my boss. 我绞尽脑汁想方设法引起老板的注意.