beat your brains out
US /biːt jʊər breɪnz aʊt/
UK /biːt jʊər breɪnz aʊt/

1.
je hersens kraken, je hoofd breken
to think very hard about a problem or question, often without success
:
•
I've been beating my brains out trying to solve this puzzle all day.
Ik heb mijn hersens gekraakt om deze puzzel de hele dag op te lossen.
•
Don't beat your brains out over it; let's just ask for help.
Kraak je hersens er niet over; laten we gewoon om hulp vragen.