I know that he has tried hard; be that as it may, his work is just not good enough.

我知道他已经尽力了，尽管如此，他的工作仍不太理想。

《牛津词典》

As you probably know, I'm going to be changing jobs soon.

你或许知道，我不久就要换工作了。

《牛津词典》

Children can be difficult as we know only too well.

小孩子往往很难对付，对此我们都非常清楚。

《牛津词典》

The whole goal is to be yourself as much as possible so we can hear your voice and get to know you."

VOA: special.2009.03.27

And from that perspective it looks as though it would be better to know how much time you've got left.

从这个角度来看,你知道自己剩下多少时间似乎更好。

耶鲁公开课 - 死亡课程节选

As long as it's reversible, you know what the efficiency has to be, and in principle, you could break it down into a bunch of steps that you could formulate as isothermal and adiabatic.

只要这个循环过程是可逆的，你们知道效率是多少，从理论上说，可以将总过程,分解成一系列绝热,和等温的小过程。

麻省理工公开课 - 热力学与动力学课程节选

So, the advice I give business leaders in my seminars is to take some time right now to strategically define who you want to be, and what you want to be know as, and then to live that definition in every interaction.

FORBES: Reputation Trumps All -- Define Your Brand and Live It in the New Year, and Beyond

"I think he's happy and, you know, proud that we've come to this point, but he let it be my decision just as you know, it's going to be his decision as to the role he plays going forward in this whole issue, " said Portman.

CNN: STORY HIGHLIGHTS

And I don't think Republicans here might be as, you know, reactionary as they are in other parts of the country.

NPR: McCain Keeps Home Fires Burning