who knows! 天晓得! it is not a big deal! 没什么了不起! how come… 怎么回事，怎么搞的。 easy does it. 慢慢来。 don't push me. 别逼我。 come on! 快点，振作起来! have a good of it. 玩得很高兴。 it is urgent. 有急事。 what is the fuss? 吵什么? still up? 还没睡呀? it doesn't make any differences....