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
Mellony	-	English (Rare)
Hrodpreht	-	Ancient Germanic
Lang	[læŋ]
Jelani	-	Eastern African, Swahili
Keturah	ki-TOOR-ə (English), kee-TYOOR-ə (English)	Biblical
Antiman	an-tee-MAWN	Native American, Mapuche