1. 才怪！ Yeah right !
A: I'm really quitting smoking this time! I swear !
我这次真的会戒烟！我发誓！
B: Yeah right ! How many times have you said this before?
才怪！你这句话都说过多少次了？
2. 好险！That was close!
A: That was close! I was going to be late!
好险！我差一点迟到了！
B: What happened! Was the traffic bad ?
怎么了？很堵吗？