Your levity is unseemly at this time.

在这种场合,你轻率举动是不得体。

It is appropriate that everyone be suitably attired.

人人穿戴得体是恰当。

Boasting about size may be poor form and the sign of an arriviste.

规模或许并非得体行为，也是暴发户象。

He gave his wife a decorous kiss.

给了太太得体一吻。

His tactless words had incurred his father’s deep displeasure.

不得体话语亲感到十分不快。

She bridled at the indelicate suggestion.

她对不得体暗示发怒了。