It is not proper to arrive late for a dinner party.

参加晚宴迟到是不得体。

Try to get closer to your partner, although not too close, we don't want anything unseemly on stage.

试着靠近你搭档，虽然不要太近，我们不想在舞台上有任何不得体东西。

It would be in very poor taste to upstage the bride by wearing something white and even more eye-catching.

穿白色衣服或者穿得比新娘更抢眼以此来抢新娘风头，那会非常不得体。

I don't have to think about it! Marry a man who can barely hold his knife like a gentleman? !

想都不用想，嫁给一个连刀叉都拿不得体土包子？！

Showing affection in public just isn’t done in Japan.

【done】在公开场表示爱意在日本是不得体。

There was an indecent excitement in her voice, the same callous pleasure Harry had heard as she watched Professor Trelawney dissolving with misery in the Entrance Hall. The Malfoy boy cornered him.'

她语气里有一股很不得体兴奋劲，当她在门厅里看着特里劳妮教授因为悲伤丽崩溃时候，也听到过同样冷酷无情快乐语气，“马尔福那孩子把他堵住了。”

Okay, stop it! Stop it! Everyone, listen. This took me forever to put together, so I don't really care who kissed who and who's got a pimple on her head...and who is wearing an outrageously inappropriate dress.

好了，别闹了！大家都听好了：我真好不容易才安排妥当，所以我真不在乎谁亲了谁、 谁额头上长了痘痘，或者谁穿了超级不得体裙子。

She was sorry that Mr. Darcy should have delivered his sentiments in a manner so little suited to recommend them; but still more was she grieved for the unhappiness which her sister's refusal must have given him.

她替达西先生惋惜，觉得他不应该用那种很不得体方式来倾诉衷情；但她更难过是，她妹妹拒绝会给他造成怎样难堪。