for the life of me

at all; even one little bit. (Used with a negative.) For the life of me, I can't figure this out. I can't for the life of me climb up a mountain.

Name	Pronounced	Usage
Salter	['sɔ:ltə]
Finbar	FIN-bar	Irish
Rehoboam	-	Biblical
Raharjo	rah-HAHR-jo	Indonesian, Javanese
Francine	[fra:n'si:n]
Livy	LIV-ee (English)	History