Don't worry if you are not sure where you're headed or what your long-term goals are.

如果你不确定你的目标是什么，或者你的长期目标是什么，不要担心。

youdao

If you have an office job you might not be getting outdoors enough, or getting enough exercise, and your health might suffer.

如果你有一份办公室工作，不能经常到户外，或者做足够多的运动，你的健康就有可能受到影响。

youdao

If you suspect a gas leak, do not strike a match or even turn on an electric light.

假如你怀疑有煤气泄漏，不要划火柴，甚至连电灯都不要开。

《牛津词典》

In a poker game you do not want to let your opponents know if your cards are good or bad.

VOA: special.2009.11.22

So, that's a homogeneous system, one phase. You have to know if your system is an equilibrium system or not.

所以这是个均匀系统，只有一个相，你得知道你的系统,是不是个平衡系统。

麻省理工公开课 - 热力学与动力学课程节选

If you scroll back up on the printout or screen here, you'll see that you can actually not only declare function's prototypes, their general structure.

如果我回滚到打印输出或者这个屏幕，你们将看到你们不仅可以声明函数的原型,它们的一般结构。

哈佛公开课 - 计算机科学课程节选

But if you consider the core conservative position that race should not matter or does not matter, if you argue from a policy standpoint that race does not matter or should not matter, how can you justify considering race?

NPR: Black Conservatives Torn Between McCain, Obama

Rep. WESTMORELAND: The multilingual question is this, Section 208 of the Voting Rights Act says if you are physically impaired, if you are blind, or if you are not proficient in English, that you can bring an assistant with you to the poll.

NPR: Voting Rights Act Renewal Stalled in Congress

Have the option of aborting the project if you are not getting what you want or if the directional answer is good enough.

FORBES: What Value Do Consulting Firms Like McKinsey, Bain, Et Al. Really Add To An Operation?