YOU SAID:

I wanna punch you in the face SO hard!

INTO JAPANESE

あなたの顔を思いっきり殴りたいです！

BACK INTO ENGLISH

I want to punch you in the face as hard as I can!

INTO JAPANESE

顔面を思いっきり殴ってやりたい！

BACK INTO ENGLISH

I want to punch him in the face as hard as I can!

INTO JAPANESE

思いっきり彼の顔面を殴ってやりたい！

BACK INTO ENGLISH

I want to punch him in the face as hard as I can!