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

1.
memeras otak, berpikir keras
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.
Aku sudah memeras otak mencoba memecahkan teka-teki ini sepanjang hari.
•
Don't beat your brains out over it; let's just ask for help.
Jangan memeras otak terlalu keras; mari kita minta bantuan saja.