beat your brains out

US /biːt jʊər breɪnz aʊt/
UK /biːt jʊər breɪnz aʊt/
"beat your brains out" picture
1.

sich den Kopf zerbrechen, sich den Kopf zermartern

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.
Ich habe mir den Kopf zerbrochen, um dieses Rätsel den ganzen Tag zu lösen.
Don't beat your brains out over it; let's just ask for help.
Zerbrich dir nicht den Kopf darüber; lass uns einfach um Hilfe bitten.