rack brain

rack (one's) brain(s)

To struggle to recall or think of something. I've been racking my brain, but I still can't remember what Lydia's husband's name is. He racked his brains all weekend trying to think of a solution to the problem.See also: rack

rack one's brain(s)

Fig. to try very hard to think of something. I racked my brains all afternoon, but couldn't remember where I put the book. Don't waste any more time racking your brain. Go borrow the book from the library.See also: brain, rack

rack (one's) brain

Informal To think long and hard: I racked my brain for hours trying to recall her name.See also: brain, rack

rack one's brain, to

To strain to remember something or discover a solution. The rack here is the medieval instrument of torture on which the victim’s body was stretched until it broke. The idea is old; “we break our brains for naught” comes from 1530. The word “rack” came into use about 150 years later.See also: rack

单词	rack brain
释义	DictionarySeerack rack brain rack (one's) brain(s) To struggle to recall or think of something. I've been racking my brain, but I still can't remember what Lydia's husband's name is. He racked his brains all weekend trying to think of a solution to the problem.See also: rack rack one's brain(s) Fig. to try very hard to think of something. I racked my brains all afternoon, but couldn't remember where I put the book. Don't waste any more time racking your brain. Go borrow the book from the library.See also: brain, rack rack (one's) brain Informal To think long and hard: I racked my brain for hours trying to recall her name.See also: brain, rack rack one's brain, to To strain to remember something or discover a solution. The rack here is the medieval instrument of torture on which the victim’s body was stretched until it broke. The idea is old; “we break our brains for naught” comes from 1530. The word “rack” came into use about 150 years later.See also: rack LegalSeeRack
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