YOU SAID:

my knee was bitten by a tiger

INTO JAPANESE

私の膝は、虎に噛まれました。

BACK INTO ENGLISH

My knee was bitten by a tiger.

INTO JAPANESE

あの犬に足をかまれた。

BACK INTO ENGLISH

I was bitten in the leg by that dog.

INTO JAPANESE

あの犬に足をかまれた。

BACK INTO ENGLISH

I was bitten in the leg by that dog.