rack your brain

US /ræk jʊər breɪn/
UK /ræk jʊər breɪn/
"rack your brain" picture
1.

je hersenen pijnigen, diep nadenken

to think very hard to remember something or to find a solution to a problem

:
I had to rack my brain to remember her name.
Ik moest mijn hersenen pijnigen om haar naam te herinneren.
We've been racking our brains all day trying to solve this puzzle.
We hebben de hele dag onze hersenen gepijnigd om deze puzzel op te lossen.