1.Caution1: Wet Paint! 小心！油漆未干！ A: What’s written on the sign? B: Caution: Wet Paint!
2.Post No Bills! 禁止招贴！
A: It’s forbidden2 to post on this building. Didn’t you see the sign “Post No Bills”?
B: Where is the sign?
3.Beware3 of Dog! 小心恶犬!
A: Yesterday I got bitten by my neighbor’s dog.
B: They should have put up a sign: “Beware of Dog.”
4.Do Not Enter! 禁止进入！
A: What does the sign say?
B: Do Not Enter!
5.Men at Work! 正在施工！
A: I am near-sighted4. Could you tell me what is on the sign?
B: Men at Work.
6.Slippery5 When Wet! 湿水后路面很滑！
A: There is a sign with “Slippery When Wet!” on it.
B: We’d better walk more cautiously6. （我们最好走路小心点。）