rack one's brain

动词 v.
中文释义

英文释义

动词 v.
  1. To struggle to think of or remember something. figuratively
    — I have been racking my brain all day trying to think of a birthday present for her.

词形变化

racks one's brain present,singular,third-person racking one's brain participle,present racked one's brain participle,past racked one's brain past rack one's brains alternative wrack one's brain alternative wrack one's brains alternative

词源

Combination of rack (“medieval torture method”), and brain, thus meaning “to cause the mind extreme discomfort”.
Variants include rack one's wit (1583) and rack one's memory, as well as cudgel one's brain / cudgel one's brains.
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