Policeman: Why didn't you shout for help when you were robbed of your watch? Man: If I had opened my mouth, they'd have found my four gold teeth. That would be much worse.

　　警察：有人抢你的手表时，你为什么不呼救呢?男子：要是我张口的话，他们就会发现我的四颗金牙，那就更糟了。