in case of...
万一；如果；防备
in case也是表示“以防；万一”，但是in case后面接条件状语从句，而in case of后面接名词或代词等。
You'd better take an umbrella in case of rain.
=You'd better take an umbrella in case it rains.
你最好带把雨伞，以防下雨。
Conversaton:
A: It's the conference room ready?
会议室准备好了吗？
B: Yes. I have put the meeting agenda and the minute book on the conference table. There are also papers and pens next to each nameplate. But I found something confusing on the nameplates.
准备好了。我已经把会议议程和会议记录本放在会议室的桌子上了。每个姓名牌的旁边也都有纸张和钢笔，不过我在姓名牌上发现了让人感到困惑的事情。
A: What is it?
什么事儿？
B: Two of them were misspelled on the nameplates, a bit different from what I had seen on the file.
其中两个姓名牌上名字的拼写方式不对，跟我之前在文件上看到的有一些差异。
A: Remember to check it out in case of such a silly mistake.
记得去核对一下，以防出现这么低级的错误。
B: Okay.
好的。
A: I remember there was something wrong with the projector in a conference room. Has it been adjusted this time?
我记得会议室里的投影有些问题，这次都已经调整好了吗？
B: Yes. I have asked a professional repairman to check it and he said that there is no big problem. Just be careful not to let the thread loose in the process of using it.
是的，我找专业的维修室检查过了，说是没有什么大问题。只要在使用过程中注意不要让线头松动就行。
A: That's good. I come to tell you that you need to send the meeting notice to the attendees in advance. once some people are unable to attend the meeting, we need to adjust immediately.
那就好。我是来告诉你，你需要提前将会议通知发送给参会者，一旦有些人无法参加这次会议，就需要立即做出调整。
B: Alright.
好的。
A: Additionally, you should personally check the necessary items in the meeting room, such as microphone, loudspeaker, lighting and so on. And make sure to provide boiling water, teacups and ashtrays at the conference table.
另外，你要亲自检查会议室必备的东西，比如话筒，扩音器和灯光等。还有，到时一定要在会议桌上放开水，茶杯和烟灰缸。
B: OK, no problem. I will certainly do these things myself.
好的，没问题，我一定会亲自做这些事情的。
