You hang around here in case he comes, and I'll go on ahead.
你在这附近等着以防万一他来了，我继续往前走。
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。
She had had the foresight to prepare herself financially in case of an accident.
她有先见之明，经济上作了准备以防万一发生事故。
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。
It should notify an administrator in case of a system error.
在系统出错的情况下，它应该能够通知管理员。
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。
Take some spare clothes in case you get wet.
多带几件衣服，以备身上弄湿了好穿。
It may rain; you'd better take an umbrella just in case.
可能下雨，拿把伞吧，以防万一。
I'll stay around in case you need me.
我就待在这儿，也许你用得着我。
We will give this value in the exam in case you forget it then.
在考试中我们会给出这个值，以防你们到时候忘记。
Do spacemen carry weapons in case they encounter enemies in space?
宇航员是否携带武器以防在太空中遇到敌人？
He kept the glasses in case his vision should ever become dim.
他一直戴着眼镜，以防视力变模糊。
He left the door ajar in case I needed him.
他微开着门以便我找他。
You'd better take the keys in case I'm out.
你最好带上钥匙以防我不在家。
She said nothing in case her temper slipped out of gear.
她什么都没说，免得按捺不住情绪。
He kept his voice low-pitched in case someone was listening.
他压低声音，免得旁人听见。
It would be safer to take more money with you in case of emergency.
多带点钱保险些，以防急用。
You have work to do tomorrow, so drink less in case you oversleep.
你明天还有事要做，少喝点酒才不会睡过头。
Blood becomes stickier to help coagulation in case of a cut.
切伤时，血液会变得很黏以帮助血凝固。
Many stores along the route have been boarded up in case of trouble.
沿途很多商店都用板封上了，以免招来麻烦。
Take your raincoat in case it should rain.
带上你的雨衣以防下雨。
You'd better take an umbrella just in case of rain.
以防下雨，你最好带把伞。
I like to keep a few envelopes about in case I need them.
我喜欢在手头留存一些信封，以备不时之需。
Never walk behind a horse in case it kicks out (at you).
千万不要走在马后，它会踢你的。
Please keep an eye on the stove in case the milk boils.
劳神照料炉上的牛奶，别沸溅了。
Bring two pens — just in case.
带两支笔以备万一。
Just in case someone steals it!
以防万一有人偷走它。
Take an umbrella in case of rain.
带把伞去，以防下雨。
Should I buy a face mask just in case?
我需要买口罩以防万一吗？
Do tell us in case you have any trouble.
万一有什么困难，一定告诉我们。
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