That would be the polite thing to do, yeah.

那样比较得体吧，嗯。

It's the polite thing to do.

这样比较礼貌。

I mean, I did what I thought was the polite thing-- called her the next day.

出于礼貌 我第二天给她打了几个电话。

At least, that's the polite thing to do, if you are a smoker, is to use an ashtray.

至少，如果您是吸烟者， 那是礼貌的做法， 就是使用烟灰缸。

Well, he's obviously become one, and I... did the polite thing and acted like I didn't hear.

很明显他变了 而我也很礼貌地装作什么都没听见。

It seemed the polite thing to do after such a long time together, but, uh, she wouldn't have it.

象是交往一段时间后出于礼貌的行为，但 呃 她没同意。

Well, the polite thing to do is actually to serve yourself one or two bites and just try it, and just hope that they're not too insistent about you loading up with seconds.

其实，礼貌的做法是自己先吃一两口，尝尝鲜，希望他们不要太坚持让你多吃几口吧。