for the life of you

US /fɔr ðə laɪf əv ju/
UK /fɔr ðə laɪf əv ju/
"for the life of you" picture
1.

sama sekali, bagaimanapun juga

even with the greatest effort; used to emphasize that someone cannot do something

:
I can't remember his name for the life of me.
Aku tidak bisa mengingat namanya sama sekali.
She couldn't understand why he did it for the life of her.
Dia tidak bisa mengerti mengapa dia melakukannya sama sekali.