i'm not going.我不去了。　　does it serve your purpose？对你有用吗？　　i don't care.我不在乎。　　not so bad.不错。　　no way!不可能！　　don't flatter me.过奖了。　　your are welcome.你太客气了。　　it is a long story.一言难尽。don't play possum!别装蒜！　　make it up!不记前嫌！　　watch you mouth.注意言辞。　　any urgent thing？有急事吗？　　how about eating out？外面吃饭怎样？　　don't over do it.别太过分了。　　can you dig it？你搞明白了吗？　　i'm afraid i can't.我恐怕不能。　　you want a bet？你想打赌吗？　　what if i go for you？我替你去怎么样？　　who wants？谁稀罕？