You can dance if you want to. We can leave your friends behind. Your friends do not dance, and if they do not dance, they are not a friend of mine.
당신은 당신이에 원하는 경우에 무용할 수 있다. 우리는 당신의 친구를 뒤에 남겨두어서 좋다. 당신의 친구는 무용하지 않으며, 무용하지 않는 경우에, 내친구가 아니다.
You by the party shoes want of being useless in case is a possibility. We to leave your friend after, from is good. Your friend is not useless not to be, is not useless, in case, is not my friend.