'I know you understand,' he said and gave a conspiratorial wink.

“我知道你明白。”他说道，会意地眨一眨眼。

《牛津词典》

It's a funny sensation to know someone's talking about you in a language you don't understand.

知道有人正用一种你不懂的语言谈论你，这种感觉真奇怪。

《柯林斯英汉双解大词典》

To understand why they are doing it, it is necessary to know where they are coming from.

要理解他们为什么这样做，有必要知道他们的想法。

《柯林斯英汉双解大词典》

Then we realize once again that we can only know what it is if we come to understand--in this case, probably, it's best to say a cultural system, understood as a semiosis, within which it appears.

这样我们就又明白了,只有在一个特定的文化系统中,我们才能认识一个符号。

耶鲁公开课 - 文学理论导论课程节选

who, you know, have a very strong, difficult-to-understand accent, then they would say that

他们有很重的、难以听懂的口音，然后他们会说，

优雅的英式英语 - SpeakingMax英语口语达人

Sure, she goes away--we have to understand this: we know our mother goes away, but guess what?

当然，她有时必须离开--我们必须理解这一点：,我们知道妈妈走了，但是你猜怎么着？

耶鲁公开课 - 文学理论导论课程节选

And it will provide welcome relief to small business owners, who -- I know you guys understand -- all too often have to choose between hiring or keeping your health care for yourselves and your workers.

WHITEHOUSE: Putting Government on the Side of Small Business

And I just wanted to bring your attention -- which I know that you understand fully -- that there's been a lot of conversation about we need to get the biggest bang for our buck.

WHITEHOUSE: President Obama Closes Forum on Jobs and Economic Growth

Intangibles are an accounting contrivance that resembles a cosmic black hole--we know it exists but understand little of its inner workings.

FORBES: Asset Assessment