politer , politest
Someone who is polite has good manners and behaves in a way that is socially correct and not rude to other people.
Everyone around him was trying to be polite, but you could tell they were all bored.
他身边的每一个人都尽力表现得彬彬有礼,但你可以看出他们都厌倦了。
Gonzales, a quiet and very polite young man, made a favourable impression.
冈萨雷斯是个文静而又很有礼貌的年轻人,给人留下了很好的印象。