rack your brain
US /ræk jʊər breɪn/
UK /ræk jʊər breɪn/
1.
memerah otak, berfikir keras
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.
Saya terpaksa memerah otak untuk mengingati namanya.
•
We've been racking our brains all day trying to solve this puzzle.
Kami telah memerah otak sepanjang hari cuba menyelesaikan teka-teki ini.