1.not getting used to join party, i isolated myself and observed their world. . .
不是很习惯参加派对,我孤立我自己去观赏他们的世界…
2.If he join party today, what will be happen?
如果他们今天参加聚会,将会发生什莫?
3.If he join party today, I will be happy.
如果他们今天参加聚会,我会很高兴。