YOU SAID:
does thouest know you whereth her dress
INTO JAPANESE
あなたの彼女の服をどこに知っている
BACK INTO ENGLISH
Where do you know your garments?
INTO JAPANESE
あなたはあなたの衣服をどこで知っていますか?
BACK INTO ENGLISH
Where do you know your clothes?
INTO JAPANESE
あなたはあなたの服をどこで知っていますか?
BACK INTO ENGLISH
Where do you know your clothes?
That didn't even make that much sense in English.