rack your brains

意味

to think very hard to remember or solve something

思い出したり解決したりするため必死に考える.

例文

1. 1I racked my brains, but I couldn't remember where I had parked the car.
2. 2We've been racking our brains all afternoon for a name for the new café.
3. 3Ben racked his brains for the answer to the last quiz question, but it wouldn't come to him.
4. 4Don't rack your brains over that crossword clue; I'll look up the answer online.
5. 5Aisha is racking her brains to think of a present for her grandad's ninetieth birthday.

文法

rack が変化する（racks、racking、racked）。your は主語に合わせて変わる（my、his、our）。rack your brain とも言う。

似た意味の表現