predic.
- humorous cultured, refined, and well mannered〈幽默〉有教养的; 温文尔雅的; 有礼貌的：
it is more couth to hold your shrimp genteelly by the tail when eating.
吃虾时轻握其尾部更斯文些。
mass noun
- good manners; refinement礼貌; 教养; 优雅：
he has no couth, no brains and doesn't know the meaning of the word diplomacy.
他缺乏教养, 没有脑子, 对什么是婉转得体一无所知。
词源
late 19th cent.: back-formation from UNCOUTH.