decorum

在会议上保持得体的举止很重要。

It's important to maintain ___decorum during the meeting.

在正式晚宴上保持得体的举止是非常重要的。

Maintaining proper ___decorum is essential at formal dinners.

即使在压力下，他仍保持着得体的举止和风度。

Even under pressure, he maintained perfect ___decorum in his behavior and appearance.