What's up? 你干什么呀？ What's up? 你干什么呀？ Nothin' much. Just getting ready to go to class. How 'bout you? 我没干什么。准备上课呢。你呢？ Me too! 我也是！ I'll call you back after class, k? 我下课之后再打给你，好吗？ K bye! 好的，拜拜！