YOU SAID:
I was bitten by a turtle when I was a young lad.
INTO JAPANESE
少年の頃、カメにかまれました。
BACK INTO ENGLISH
When I was a boy was bitten by a turtle.
INTO JAPANESE
頃、少年は亀に噛まれました。
BACK INTO ENGLISH
When I was a boy was bitten by a turtle.
That didn't even make that much sense in English.