April 22nd is Earth Day and we all know it is important to love our Mother Earth.

4月22日是地球日，我们都知道爱我们的地球母亲是很重要的。

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Because we all know it is good for people, especially those who really need them to save life or regain their sight.

因为我们都知道这对人有好处，尤其是对那些确实需要它们来救命或复明的人。

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What a strange feeling it is—surely we all know it—to look through old letters of our young days; a different life rises up out of the past, as it were, with all its hopes and sorrows.

我们都知道，假如我们把我们年轻时代的旧信拿出来读读，我们会产生一种多么奇怪的感觉啊！ 整个的一生和这生命中的希望和哀愁都会浮现出来。

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"I am happy." he said, "that I was the first one to open the door -- to let everyone know we could all do it."

VOA: special.2010.03.07

He brings it up as if we know that this is what he's been talking about all the time.

他提出这个好像我们知道一样,这是他一直在说的东西。

耶鲁公开课 - 现代诗歌课程节选

I think we all know what it's like, actually, just watching yourself retaliate against somebody because you're angry and stop wondering why did I do that.

我想我们都深有体会，看着自己与某人作对，复仇,因为出于愤怒,而不再思考究竟是为了什么。

普林斯顿公开课 - 人性课程节选

Whatever it was, we all know it's coming, it's just a question of when.

ENGADGET: Vodafone to have exclusive rights to 3G iPhone in Q1? Mobile

We all know it is better for our environment and our general well-being.

BBC: Below-inflation Scottish off-peak rail fare pledge

We have to take a good look at what our priorities and our resources are, and we all know it.

CNN: Borger: Obama's is vote that matters on Afghanistan