de·co·rum
noun/dɪˈkɔːrəm/
/dɪˈkɔːrəm/
[uncountable] (formal)- polite behaviour that is appropriate in a social situation
礼貌得体；端庄稳重 - He is not known for his sense of decorum.
他并不以礼仪意识而闻名。 - The celebrations were carried off with style and decorum.
庆祝活动在风格和礼仪中进行。
Word Originmid 16th cent. (as a literary term, denoting suitability of style): from Latin, neuter of the adjective decorus ‘seemly’. - He is not known for his sense of decorum.