YOU SAID:

My mom will kill me if I don't kill you.

INTO JAPANESE

あなたを殺していない場合、私の母は私を殺します。

BACK INTO ENGLISH

If you do not kill my mother kills me.

INTO JAPANESE

殺すしない場合、私の母は私を殺します。

BACK INTO ENGLISH

If you do not kill my mother kills me.