Definition
This idiom is used to express that all things should be done at the appropriate time and place.
凡事要讲究时候和场合。
I think telling jokes at a funeral is not appropriate; there's a time and a place for everything.
我认为在葬礼上讲笑话并不合适；凡事都有其时间和地点。
I know you are excited, but shouting in the library is really not the place; there's a time and a place for everything.
我知道你很兴奋，但在图书馆里大喊大叫真的不合适；凡事都有其时间和地点。
Discussing personal issues during a work meeting is inappropriate; there's a time and a place for everything.
在工作会议上讨论个人问题是不恰当的；凡事都有其时间和地点。