YOU SAID:

i cannot believe you did that with your hand

INTO JAPANESE

あなたが自分の手でそんなことをしたなんて信じられない

BACK INTO ENGLISH

I can't believe you did that with your own hands

INTO JAPANESE

あなたが自分の手でそんなことをしたなんて信じられない

BACK INTO ENGLISH

I can't believe you did that with your own hands