例句：

　　A polite young lady came round checking off the guests one by one.

　　一位有禮貌的年輕女士走過來把已到的客人在名單上一一勾掉。

　　I don't know how to make polite conversation.

　　我不曉得怎么說應(yīng)酬話。

　　He had always been polite ─ she couldn't fault him on that.

　　他總是彬彬有禮——她在這方面對他無可指摘。

　　'Bum' is not a word we use in polite company.

　　“屁股”可不是我們當著文雅人的面說的字眼。