例句：
A polite young lady came round checking off the guests one by one.
一位有礼貌的'年轻女士走过来把已到的客人在名单上一一勾掉。
I don't know how to make polite conversation.
我不晓得怎么说应酬话。
He had always been polite ─ she couldn't fault him on that.
他总是彬彬有礼——她在这方面对他无可指摘。
'Bum' is not a word we use in polite company.
“屁股”可不是我们当着文雅人的面说的字眼。