wrack brains

wrack (one's) brains

/brain

To try hard to remember or think of something.

Name	Pronounced	Usage
Neo (2)	-	Various
Charmion	-	Ancient Greek
Blagoj	-	Macedonian
NicolÁS	nee-ko-LAHS	Spanish
Bistra	-	Bulgarian, Macedonian
Sothy	-	Khmer