You probably won't need to call—but take my number, just in case.

你很可能无需打电话，不过还是记下我的电话号码吧，以防万一。

I have also taken out a life insurance policy on him just in case.

我也给他买了一份人寿保险以防万一。

We'd better leave now, just in case.

我们最好现在离开，以防万一。

I write a reminder a few days before the date just in case.

我在该日期几天前写一个提醒，以防万一。

I'd start looking for alternatives now, just in case.

我就会开始寻找替代的课程，以防万一。

I had my camera ready, just in case I saw something that would make a good picture.

我把照相机准备好，万一看到什么值得拍的就可以拍下来。

Before you set out, always get warm clothes and raincoats ready, just in case! Even experienced travelers get lost.

出发前，一定要准备好暖和的衣服和雨衣，以防万一！即使是有经验的旅行者也会迷路。

I guess we've already talked about this but I'll ask you again just in case.

我想我们已经讨论过了这个问题，但为保险起见，我再问你一次。

You'd better take an umbrella just in case of rain.

以防下雨，你最好带把伞。

You should keep a first-aid kit in your home just in case there is an accident.

你应该在家里放一个急救箱，以防发生事故。

Some parents now are choosing to save the cord blood, have it frozen, locked away somewhere just in case it is useful to their child later in life.

现在有些父母选择保存脐带血，把它冷冻起来，锁在某个地方，以防日后对孩子有用。

It may rain; you'd better take an umbrella just in case.

可能下雨，拿把伞吧，以防万一。

Just in case someone steals it!

以防万一有人偷走它。

I keep the book handy just in case.

我把这本书放在手边，仅仅是以备不时之需。

Bring two pens — just in case.

带两支笔以备万一。

Flashlight or headlamp, just in case.

手电筒或头灯，以防万一。

Should I buy a face mask just in case?

我需要买口罩以防万一吗？

Just in case Marla burns the house down.

万一马拉放火烧了房子。

Always keep a notebook with you just in case.

以防万一，随身携带笔记本。

Just in case Marla is still in the house.

万一马拉还在屋子里。

He has my number but I'll give it to you just in case.

他有我的号码，但我还是给你吧，以防万一。

You tell yourself you need to check your emails just in case.

你告诉自己，为了以防万一，你需要查收邮件。

Let me tell you something, just in case you haven't heard.

让我来告诉你些事情，以防你没有听说过。

They held their shopping bags over their heads just in case.

她们把购物袋高举过头想挡挡雨，但还是湿透了。

Just in case, however, the law will accept new victims until 2021.

此项法律对新的受害者的认定截止到2021年，这只是以防万一。

Let's keep it just in case this one gets really too cluttered.

我们留着它，以防这个变得太乱。

Magazines and newspapers that you are hanging onto just in case.

偶尔一读的杂志和报纸。

Of course, we backup our LPAR before we make any changes to it, just in case.

当然，在对它进行任何更改之前，需要先备份我们的LPAR，以防万一。

And yes, you might also copy the affected row to a backup table just in case!

您还可以将受影响的行复制到备份表，以防万一！