rack your brain
US /ræk jʊər breɪn/
UK /ræk jʊər breɪn/
1.
scervellarsi, rompersi la testa
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.
Ho dovuto scervellarmi per ricordare il suo nome.
•
We've been racking our brains all day trying to solve this puzzle.
Ci siamo scervellati tutto il giorno cercando di risolvere questo enigma.