YOU SAID:
"You look just like your mother."
INTO JAPANESE
「君はお母さんにそっくりだね。」
BACK INTO ENGLISH
"You're just like your mother."
INTO JAPANESE
「あなたはお母さんにそっくりだね。」
BACK INTO ENGLISH
"You're just like your mother."
That didn't even make that much sense in English.