YOU SAID:

Turn around kid, it'd be a crime, if i had to go back on the promise that i made for you, so don't step over that line, or else, friend, you're gonna have a bad time.

INTO JAPANESE

裏を返せば犯罪になるよもし私が君のために作った約束を守らなければならないならその線を踏まないでくれ

BACK INTO ENGLISH

If I have to keep the promise I made for you, don't take that line.

INTO JAPANESE

私があなたのために作った約束を守らなければならないなら、そのセリフを取らないでください。

BACK INTO ENGLISH

Don't take that line if you have to keep the promise I made for you.

INTO JAPANESE

私が約束したことを守らなければならないなら、そのセリフを取らないでください。

BACK INTO ENGLISH

If you have to keep what I promised, don't take that line.

INTO JAPANESE

約束したことを守らなきゃならないなら、そんなことはしないでくれ。

BACK INTO ENGLISH

If you have to keep your promise, don't do it.

INTO JAPANESE

約束を守らなければならないなら、それをしないでください。

BACK INTO ENGLISH

If you have to keep your promise, don't do it.