the polite thing

To them, this is the polite thing to do.

他们认为这是礼貌。

Surely, you might think, the polite thing would be to acknowledge it?

当然，你也许会认为，想要礼貌点的话就是承认整容？

If you have the energy, you can always do the polite thing when the meal finally ends, and offer to pay.

好不容易到用餐结束，假如你还有精力的话，应该礼貌地主动提出付账。

Not only is this the polite thing to do, but, if you don't, you may find yourself locked out of the site.

这不仅是个礼貌之举，而且，如果不这么做，您很可能会被拒之站外。

Something that sounds rude in one country may be the most polite thing to do in another.

在一个国家听上去粗鲁的某些行为放到另一个国家可能偏偏正是最礼貌的。

It seemed the polite thing to do after such a long time together.

象是交往一段时间后出于礼貌的行为。

The polite thing is to pretend the person has always looked like this.

想要礼貌的话，就是去假装这个人看上去一直就是这样的。

The Captain stretched his left leg on one of the empty chairs. He knew it was not a polite thing to do.

上尉把左腿架在了一把空椅子上。他知道这样做并不礼貌。

One can always rely on him to be polite and do the right thing.

人们都相信他会彬彬有礼，行事得体。

If someone asks you more about it, the polite thing to do is change the subject.

如果有人问你过多相关的问题，最礼貌的做法就是转移话题。

Then, after a lively discussion, you must remember the next polite thing to do& let your host pick up the bill.

一番热烈的你推我然改制后，切记应该让主人买单，这才符合礼貌。