保全大局舍手表。。

policeman: why didn't you shout for help when you were robbed of your watch?警察：有人抢你的手表时，你为什么不呼救呢？man: if i had opened my mouth, they'd have found my four gold teeth. that would be much worse.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。