not for the life of me

no matter how hard you try I knew I had met her before, only I couldn't for the life of me remember where or when.

Name	Pronounced	Usage
Loup	-	French
Apolena	-	Czech, Slovak
Damijana	-	Slovene
Rose	[rəuz]
Isabel	ee-sah-BEL (Spanish), IZ-ə-bel (English), ee-za-BEL (French), ee-zah-BEL (German)	Spanish, Portuguese, English, French, German
Nikias	-	Ancient Greek