YOU SAID:
my nails are longer than my lifespan
INTO JAPANESE
私の爪は私の寿命よりも長い
BACK INTO ENGLISH
My nails are longer than my lifetime
INTO JAPANESE
私の爪は生涯よりも長い
BACK INTO ENGLISH
My nails are longer than life
INTO JAPANESE
私の爪は人生よりも長い
BACK INTO ENGLISH
My nails are longer than life
That didn't even make that much sense in English.