YOU SAID:
You've done this before, haven't you. it is i
INTO JAPANESE
前にもこんなことしただろう?
BACK INTO ENGLISH
You've done this before, haven't you?
INTO JAPANESE
前にも やったんだな
BACK INTO ENGLISH
You done this before, haven't you?
INTO JAPANESE
前にも やったんだな
BACK INTO ENGLISH
You done this before, haven't you?
That didn't even make that much sense in English.