•The director insisted that there was no question as to the propriety of how the funds were raised.经理坚持说集资方式是完全正当的。

•She was careful always to behave with propriety.她时刻注意行为得体。

•They'd invited us to dinner so we thought we'd better observe the proprieties and invite them back.他们请我们吃饭，所以我们认为最好遵循礼数回请他们。