But before you can resist a threat, you need to understand it.

VOA: special.2009.10.27

They might articulate a need or a desire, but what we have to do is understand all the technology ingredients and how they're evolving.

他们可能会提出要求或是愿望，我们所要做的事情是搞懂,所有技术成分，以及它们如何演变。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

But what you need to understand about the Greeks is that they don't eat a lot of meat.

但是你们需要理解的是,希腊人并不常食肉

耶鲁公开课 - 古希腊历史简介课程节选

"I think that survey shows that, as minorities and women pursue a STEM career, they have to face a number of barriers along the pipeline (SAYING...) and what we need to do as a society is really understand what these roadblocks are."

VOA: standard.2010.03.26

And that means we need to understand at least a little bit about the Greco-Roman world.

所以这意味着我们需要,至少了解一点古希腊罗马时代的知识。

耶鲁公开课 - 新约课程节选

So that way you can have an idea if, oh, I do really understand this but I'm a little bit slow, maybe I need to practice this one type of problem a little bit longer so I can get up to speed so I'm going to be able to get through all this in terms of the exam time.

这样你就可以知道，假设，噢，我真的懂这个，但是我的速度有点慢，或许我需要在练习这个类型的题目上,多花一点时间,这样我就可以提高自己的速度,可以全部做完,在考试规定的时间内。

麻省理工公开课 - 化学原理课程节选

This is, I think, how we need to understand the various occult symbols in another great poem from this phase in his career, a little bit further on, "The Second Coming," on page 111.

我想这就是，我们去理解叶芝同时期另一首,伟大诗歌中神秘意象的方法，以更深刻地理解它，《第二次降临》在111页。

耶鲁公开课 - 现代诗歌课程节选

Now the question is "how does it expand" and "why is it so difficult for us to understand, accept, assimilate and live according to the fact that we can make a difference, if we understand that what we need to understand is how change happens.

问题是“它如何扩大“,以及为什么我们难以理解，我们能够做出改变这个事实,并接受，被同化以及据此生活，如果我们能了解我们需要理解的,是改变如何发生。

哈佛公开课 - 幸福课课程节选

Those doctors would still not be able to improve school performance of the kids with learning disabilities and they would still not be able to prevent cognitive impairment and loss of memory in older adults because at this point we don't really understand enough about learning To know which neurons and synapses within a circuit would need to be tinkered with.

他恐怕还是改变不了有学习障碍的孩子们的表现,阻挡不了老年人的认知功能损害和记忆力的衰退,因为我们对这一学科的确知之甚少,不知道知道回路中的到底是哪些神经元和神经突触需要修复。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选