can't for the life of me

if you say you can't for the life of you remember something, you mean that you cannot remember it at all I know I filed it somewhere but I can't for the life of me remember where.

Common Names:

Name	Pronounced	Usage
Mi-Suk	mee-sook	Korean
Bento	-	Portuguese
Frits	FRITS	Dutch
Elton	EL-tən	English
Nacio	NAH-thyo (Spanish), NAH-syo (Latin American Spanish)	Spanish
Brock	[brɔk]