YOU SAID:
uknow it like u know the back of ur hand
INTO JAPANESE
あなたの手の後ろを知っているようにそれを知っている
BACK INTO ENGLISH
you know it as you know the back of your hand
INTO JAPANESE
あなたは手の背を知っているようにそれを知っている
BACK INTO ENGLISH
you know it as you know the back of the hand
INTO JAPANESE
あなたは手の裏を知っているようにそれを知っている
BACK INTO ENGLISH
you know it as you know the back of the hand
That didn't even make that much sense in English.