Translation guide
The English idiom 'rack one's brains' means to think very hard or struggle to remember something. In Japanese, this is expressed through various verbs and set phrases, often emphasizing mental effort or memory retrieval.
Expressing the act of straining one's mind to find a solution or generate an idea.
Literally 'to wring one's brain', this is a common and natural way to say 'rack one's brains' when trying to think of something.
いいアイデアを出そうと頭を絞った。
I racked my brains trying to come up with a good idea.
Trying hard to recall a forgotten piece of information.
Literally 'to trace one's memory', used when trying to recall something step by step.
彼の名前を思い出そうと記憶をたどった。
I racked my brains trying to remember his name.
The English idiom 'rack one's brains' does not translate literally into Japanese. Expressions like 脳を拷問する (torture one's brain) would be nonsensical. Use the idiomatic phrases provided instead.
Literally 'to wring one's wisdom', similar to 頭を絞る but slightly more formal or literary.
みんなで知恵を絞って問題を解決した。
We all racked our brains together and solved the problem.
Means 'to think through thoroughly' or 'to think until the end'. Implies deep, exhaustive thinking.
一晩中考え抜いたが、答えは出なかった。
I racked my brains all night, but couldn't come up with an answer.
A formal or literary term for 'to ponder' or 'to contemplate deeply'. Not used in casual conversation.
彼は人生の意味について思索した。
He racked his brains over the meaning of life.
A straightforward way to say 'try to remember'. Often used with adverbs like 必死に (desperately) to convey the effort.
必死に思い出そうとしたが、どうしても出てこなかった。
I racked my brains trying to remember, but it just wouldn't come to me.
Literally 'to twist one's head', often used when puzzling over something or trying to recall. Can also be used for thinking hard in general.
どこで会ったか頭をひねった。
I racked my brains trying to remember where I'd met him.