As simple as it seems, it's often impossible to accurately translate "you" without knowing a lot more about the situation where it's being said.
Их энгийн мэт боловч ямар тохиолдолд хэлж байгааг мэдэхгүйгээр ихэнхдээ "you" гэдгийг зөв орчуулахад тун хэцүү.