We should like Confucius, know is know, don't know just don't know, this is the true wisdom, and only this kind of honesty, to learn more knowledge.

我们应该像孔子那样，知道的就是知道，不知道的就是不知道，这才是真正的智慧，唯有这种诚实的态度，才能够学到更多的知识。

youdao

Now you know him, and you know, too, how ill-behaved he is!

现在你认识他了，你也知道他是多么不守规矩！

youdao

"O, I know, I know, so it is," replied the Rat evasively.

“噢，我知道，我知道，确实是这么回事。”河鼠推脱道。

youdao

I know this is so, because when I put my small finger in front of the moon, my fingernail covers it."

VOA: special.2009.03.28

And I look up and see that 55 the electronegativity of carbon is 2.55 2 we already know, is 2.20.

我查了一下电负性,碳是2。,2。

麻省理工公开课 - 固态化学导论课程节选

Yeah, yeah, you know like, there is always, you know, the issue where there's a lot of students who want space

是，是，你知道，总是这样，你知道，问题在于那么多学生都需要空间，

学生会馆的实习部门 - SpeakingMax英语口语达人

Ms. MARINO: I can't begin to tell you, you know, how it feels to constantly wonder, you know, is my husband coming home, you know, are my kids going to have a dad or, you know, is he going to come home OK. And, you know, they always come home different.

NPR: A Military Wife on Bush Plan for Troop Increase

You can tell the half-bright from the barking because the barking don't know how little they know, while the half-bright know enough to think that they know a lot, but don't know enough to know what part of what they know is actually worth knowing.

BBC: A Point of View: Science, magic, and madness

"When you walk into a room, even if you don't know who George is, you know he is someone, " says one former colleague.

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