This little boy observed proprieties in the public places.

这个小男孩在公共场合遵守礼节。

He was driven out of the door for his breach of propriety.

他因失礼的行为而被赶出门。

The professor is doubtful about the propriety of listening to his idea.

教授怀疑听取他的意见是否合适。

The boy is well-educated and has a sense of propriety.

这个男孩受过良好的教育 懂礼节

Nobody questioned the propriety of her being there alone.

没人认为她只身出现在那里不得体。

Their sense of social propriety is eroded.

他们的社交礼仪意识淡薄了。

Was it just the Greek sense of honor and propriety that kept them from doing a sneak attack?

是希腊人的荣誉感和道德使他们不会采取偷袭的方式吗？

China has always been known as a land of propriety and righteousness.

中国从来以礼义之邦著称。

I doubt the propriety of the term.

我怀疑这个术语是否适当。