They act as if they know where they're going.
他们显得好像很清楚自己在走向何方。
They look as if they know each other.
看样子他们好像互相认识。
If they know what they need, they will tell you.
如果他们明白自己的所需，他们会告诉你。
If they know we do at school, they would be much sad.
如果他们知道我们在学校的表现，他们会是多么的伤心。
If they know how to identify the symptoms of a stroke.
如果他们懂得辨识中风的症兆。
If they know a subject they are capable of speaking on it!
是否有一个主题他们擅长就此发表演说。
And then you ask them if they know how lucky they are to be there.
然后问他们知不知道自己能够在那里是多么的幸运。
I don't know if they know that, actually, that I had more lessons.
我不知道他们知不知道我增加课程的事。
New college graduates can still find jobs if they know where to look.
应届大学毕业生如果他们知道去哪里找，仍然可以找到工作。
I asked them if they know they serve people with AIDS, they will feel.
我问他们，如果他们知道为他们服务的人患有艾滋病，他们会有什么感觉。
If they know that it is for the king of the drug, will be able to answer.
他们若知道是为大王求药，定能应允。
The users can use these programs directly, if they know the functions of them.
这些程序用户只需知道其功能便可直接使用。
If they know nothing of victory, they are at least spared the knowledge of defeat.
如果他们不知胜利为何物，他们至少可以不必品尝失败的的苦楚。
Always tell someone how feel about them, you will feel much better if they know and you will both be happy.
要告诉别人你对他们的看法，告诉他们以后你会感觉很好，而且彼此很开心。
This is necessary because people are likely to have more confidence in a company if they know something about it.
这一点之所以必要是因为如果人们对一家公司有所了解，就可能对他更有信心。
But there's an unfortunate problem with free stuff. People find it hard to give up, even if they know they ought to.
不过免费项目还有个不幸的地方：人们明知道应该放弃，却很难割舍。
If people want to know more about your music and life, how could they contact you?
如果人们想了解更多关于你的音乐和生活，他们要怎么联系你呢？
If they did know what we made, perhaps they wouldn't be so friendly.
如果他们真的知道我们做了什么，也许他们就不会这么友好了。
The letter mentions 20,000 pounds, but I don't know if they might settle for us.
信上提到2万英镑，但我不知道他们能否接受我们的条件。
In the story, perhaps the view is that all know of God even if they ignore him.
故事里，可能观点是即使所有都忽略上帝，但都知道上帝的存在。
If they have problems with registration, please let me know.
如果他们在注册时有问题，请告诉我。
They need to know if reform will help solve the problem.
他们需要知道改革是否有助于解决问题。
And how do you know if or what they are interested in?
而且你如何才能知道他们是否感兴趣或者对什么感兴趣？
I don't know if they still use these.
我不知道他们是否仍然使用这些。
I don't know if they enjoy it.
我不知道他们是否乐在其中。
If nobody is having desserts, they know to quit making them.
如果没有人在吃甜食，他们就知道该停止做甜食。
If nobody is having desserts, they know to quit making them.
如果没有人在吃甜食，他们就知道该停止做甜食。
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