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。
Before you set out, always get warm clothes and raincoats ready, just in case! Even experienced travelers get lost.
我们最好现在离开，以防万一。
我在该日期几天前写一个提醒，以防万一。
在像那样的情况下，你一定非常想要一套防止空中愤怒的“枷锁套件”——手铐和结实的塑料胶带——以防万一，应每机必备。
In situations like that, you think longingly of the air rage "restraint kit"—handcuffs and strong plastic tape—carried on every plane in case of emergency.
你最好把身份证复印一份，以防万一。
You'd better make a copy of your Identity Card, just to be on the safe side.
您还可以将受影响的行复制到备份表，以防万一！
And yes, you might also copy the affected row to a backup table just in case!
我们只是买保险以防万一。
Yet we purchase insurance to cover us in case the unthinkable happens.
旅行时，我总是随身带着药，以防万一。
I always carry some medicine with me whenever I'm traveling, just to be on the safe side.
为了以防万一，你买了以后，你还会回去看其他选择么？
After you've bought it, do you ever go back to look at the other options, just in case?
我决定教我三岁的儿子如何划船载一个女孩，以防万一。
I decided it would be good to teach my 3 year old son how to paddle a girl in a canoe. Just in case.
好吧，但也许你今天不应该出现场，以防万一，知道了吗？
Okay, but maybe you shouldn't go out into the field today just in case, y'know?
确定阳光会很灿烂，出门还是带把雨伞——只是以防万一。
to be certain the sun will shine, but grab an umbrella on our way out — just in case.
他们登入了与空间站接靠的两艘俄罗斯宇宙飞船内以防万一。
They took cover in two Russian spacecraft docked to the station in case they had to make a hasty departure.
最愚蠢的物品就是您现在带着但从不使用的东西，但保留“以防万一”。
What is the silliest item that you carry now and never use, but keep “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。
Of course, we backup our LPAR before we make any changes to it, just in case.
两天后，你母亲和父亲在讨论生存问题，从水龙头上接水装满罐子以防万一。
Two days later, your mother and father are discussing survival, and filling jugs with water from the tap just in case.
所以如果这是一个新的症状并且正在恶化，克莱默建议你看下医生，以防万一。
So if it's a new symptom that's getting worse, Kramer suggests a doctor's visit, just in case.
你可能会随时带着手机以防万一，但是要明白不会有那么紧急情况的。
Of course, you’ll probably have to take your cell phone in case of emergencies, but make it clear, there shouldn’t be any emergencies!
比如说第一次约会或是半夜三更还陪人在城里瞎逛，想跑路怎么办？以防万一嘛！
Heading out for a first date or night on the town and want an escape, just in case?
81-以防万一你母亲疏忽了你的教育，我应该解释一下吸血鬼数。
81 - in case your mother has neglected your education I should explain about vampire Numbers.
每星期我拿到工资后，我总是想办法存五十美元到银行里去，以防万一。
Every week when I get my paycheck, I always try to put fifty dollars in my savings account for a rainy day.
再说一遍，它更加的纤弱，需要一个本应具备的镜头保护罩来以防万一。
Then again, it's porkier and requires fussing with a detached lens cap.
我还是喜欢手边有量杯以防万一，但通常我不会为一些食谱而受量杯困扰。
I still like having measuring cups around just in case, but after a while, I just don't bother with it for some recipes.
后备计划：当我17岁半的时候，为了以防万一，我参加了卫生署的考试。
Backup plan: When I was 17 1/2, I took the Sanitation Department test, in case things didn’t work out.
“我感觉这里是我的家，”他说，“但是现在我感觉我必须带上相关证件，以防万一。”
"I feel like this is home," he said. "But right now, I feel like I have to carry my papers, just in case."
她想自己是不是应该跑回屋去也拿一条披肩来，以防万一，但最终还是自尊心占了上风。
She wondered if she should run in and get a shawl as well, just in case, then decided her pride was more important.
他们不想客户起诉他们，为了以防万一，他们想证实客户确实明白他们的分险。
They don't want customers who might Sue, and, just in case, they want to be able to prove that the customers did understand the risks.
频繁改动的测试、退回返工、测试延误、以防万一的代码以及霰弹式修改(即到处修改)。
Warning signs - watch out for tests that change frequently, boomerangs, test slippage, just in case code and shotgun surgery.
兼容性应该经过彻底的测试，为以防万一，在迁移周期的早期就应该寻找替代产品。
Compatibility should be tested thoroughly — and early in the migration cycle — in case alternatives need to be sought.
但是你如果仅仅是为了以防万一，那不如你自己用硫酸铝钾或者明矾来自己制作一件。
So if you just want to be on the safe side, you can make one on your own by using aluminum potassium sulfate or alum for short.
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