In case you should need any help, here's my number.

万一你需要帮助的话，这是我的电话号码。

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。

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。

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。

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。

In case I forget, please remind me about it.

万一我忘了，就请提醒我一下。

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'll stay around in case you need me.

我就待在这儿，也许你用得着我。

You'd better take the keys in case I'm out.

你最好带上钥匙以防我不在家。

He left the door ajar in case I needed him.

他微开着门以便我找他。

Take some spare clothes in case you get wet.

多带几件衣服，以备身上弄湿了好穿。

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。

She's nervous about something, in case you didn't notice.

她对某些事情神经兮兮的，难道你没注意到？

In case anyone was following me, I made an elaborate detour.

我特意绕了一圈，以防有人跟踪。

He kept his voice low-pitched in case someone was listening.

他压低声音，免得旁人听见。

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。

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。

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。

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。

The authorities have urged people to stock up on fuel in case hostilities break out.

当局已敦促人们储备燃料以防战争爆发。

They set off, two men out in front as scouts, two behind in case of any attack from the rear.

他们出发了，两人在前作为侦察员，两人殿后以防后方攻击。

If possible keep a spare pair of glasses accessible in case your main pair is broken or lost.

如有可能留一副备用眼镜以防你常用的那副打碎或丢失。

The insurance plan will provide substantial cash benefits to your family in case of your death.

投保人一旦死亡，该项保险将给其家属支付相当可观的保险金。

We wanted to be here early in case the whatsit, maintenance supervisor had forgotten to deal with it.

我们想早点儿到这儿，以防那个什么维修主管忘了处理这个事儿。

Allied troops begin manoeuvres tomorrow to show how quickly forces could be mobilized in case of a new invasion.

盟军部队明天开始演习，来展示一旦发生新的入侵，军队能以多快的速度集结起来。

Take your raincoat in case it should rain.

带上你的雨衣以防下雨。

In case I forget, please remind me of my promise.

要是我忘记了， 请提醒一下我的承诺。

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

以防下雨，你最好带把伞。