You can be in deep water, for example, if you invest in stocks without knowing anything about the stock market.

VOA: special.2009.05.10

In many ways Kant, without knowing anything about Sidney, nevertheless follows from Sidney particularly in this, as you'll see.

康德在很多方面，尽管他并不认识西德尼，却遵循了西德尼的理论，尤其是这一点，就像你们看到的。

耶鲁公开课 - 文学理论导论课程节选

Knowing what you know now, any concerns about taking the oral polio vaccine instead of getting the shot?

依据当前结果,你对口服疫苗替代,注射疫苗有何担心吗

耶鲁公开课 - 生物医学工程探索课程节选

It could be that what you want just drops into your lap without you knowing about it.

很有可能你想要的东西,在你不经意间就到来了

耶鲁公开课 - 博弈论课程节选

But after that it'll be writing about whatever you want and sometimes people feel a little out to sea not knowing exactly what we're expecting, so those instructions that we send out will be helpful.

之后就不用了,只需要写想法就可以,有时候人们会有点不知所措,不清楚我们要的是什么,所以我们给出的说明是有帮助的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So if we consider lithium, potassium, and sodium, they're all together in the same group on the periodic table, knowing what we do about biology we can immediately think of sodium and potassium, or even just knowing what you know about table salt, for example, that these are two elements that we find, and particularly in the ion form in very high concentrations in our body.

我们来考虑一下锂，钾和钠，它们都在周期表中的同一族里，想要知道我们将元素周期律,用到生物学会怎么样，我们首先想到的就是钠和钾，甚至只需要知道食盐，我们发现它们是以很高浓度的离子形式,存在于我们体内的两种元素。

麻省理工公开课 - 化学原理课程节选

It turns out that in a lot of languages, C included, you the programmer knowing a bit about how the computer works and the language works, can exercise more fine-grained control.

结果在包括C语言的很多语言当中，你作为一个程序员懂得了一些计算机的工作方式,和语言的处理方式，可以更精确地控制运用它。

哈佛公开课 - 计算机科学课程节选