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'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。
It may rain; you'd better take an umbrella just in case.
可能下雨，拿把伞吧，以防万一。
You'd better take an umbrella just in case of rain.
以防下雨，你最好带把伞。
Bring two pens — just in case.
带两支笔以备万一。
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。
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？
He should wait there, just in case.
他应在那儿等着，以防万一。
But just in case, I brought it with me.
但以防万一，我还是把它带来了。
Always keep a notebook with you just in case.
以防万一，随身携带笔记本。
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。
Guide: Take some with you next time, just in case.
导游：下次身边带一点(晕车药)，以防万一。
It is fine, but I carried an umbrella just in case.
天气晴朗，但我还是带了一把伞以防万一。
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。
It is probably a good idea to provide one, just in case.
最好还是准备一个，以防万一。
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。
It's best to take a few items of everything, just in case.
最好什么都带点儿，以防万一嘛。
The sun is shining, but I'll take an umbrella just in case.
现在是晴天，但我还是带上雨伞以防万一。
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。
I brought some extra money just in case you don't have enough.
我带着额外的钱以防你的钱不够。
Let's bring a blanket just in case the weather goes bad on us.
我们带上条毯子吧，以防遇到坏天气。
Make alternate plans just in case you need to make a career shift.
做两手准备，说不定你需要改变你的职业生涯呢。
I stand facing the sun, just in case you feel sad when seeing my shadow.
我面向太阳而立，是怕你看到我的影子而悲伤。
We don’t have time to over-engineer code for all the “just in case” scenarios.
我们没有时间让代码过度工程化，以应对所有的“万一”情况。
Take extra copies of your resume, certificates, references (just in case) etc.
制作备用的附件，像你的个人简历，证书，推荐信等等。
Have you ever checked your emails right before heading to a meeting, "just in case"?
你是否有过在即将去开会之前为了“以防万一”而重新检查自己的邮箱的经历？
You'll almost certainly never need the following instructions-but just in case, keep them handy.
也许你很可能永远也用不到以下的建议——但为了以防万一，把它放在手边吧。
You'll almost certainly never need the following instructions-but just in case, keep them handy.
也许你很可能永远也用不到以下的建议——但为了以防万一，把它放在手边吧。
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