Hledat
to rack one's brain
01
to think hard or make a great effort to remember or solve something
![to [rack] {one's} [brain] definition and meaning](https://cdn.langeek.co/photo/29665/original/?type=jpeg "to [rack] {one's} [brain] definition and meaning")
Idiom
Informal
Example
I've been racking my brain all day trying to remember where I put my car keys.
We've been racking our brains trying to figure out the answer to this tricky crossword puzzle clue.
