I know everything.

我知道一切。

youdao

I have seen everything and I know everything!

我看到了一切，我知道一切！

youdao

Actually I know everything and nothing.

其实，我什么都知道又什么都不知道。

youdao

"I had to choose one or the other. I know everything about the culture in America, but I feel like I belong to Honduras.

VOA: standard.2010.06.09

But if, at any point, I get to a place in the list where the thing I'm looking for is smaller than the element in the list, I know everything else in the rest of the list has to be bigger than that, I don't have to bother looking anymore.

比当前位置数组的元素要小,我也就知道后面的数肯定,也都比我的目标数要大了，我就不用再继续进行下去了,这意味着目标数不在这个数组中，我就可以退出了。

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I can't tell you everything that we will do, but I know you will like it.

我不能全部透露给你，但你肯定会喜欢的。

When 实战 - SpeakingMax英语口语达人

As a young man I thought I knew everything, and as a middle-aged man I still think I know everything but have allowed myself some subtle U-turns on things I once believed to be universal truths.

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Apart from my classical training in piano, I have learned everything I know about music by watching other people -- many of them the best in their fields -- play online.

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I've done everything I know how to do.

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