YOU SAID:

Boy if you don’t shut your mouth I will shut it for you

INTO JAPANESE

Boy 口を閉じないなら私が口を閉じてあげるから

BACK INTO ENGLISH

Boy, if you don't shut your mouth, I'll do it for you

INTO JAPANESE

Boy 口を閉じないなら僕がやってあげるよ

BACK INTO ENGLISH

Boy, if you don't shut your mouth, I'll do it for you