I know it takes a strong man to save himself, and a great man to save another.

我知道坚强的人只能救赎自己，伟大的人才能拯救他人。

youdao

To my surprise, a month later I received the most touch though the most simple SMS I have ever received from you. I know it takes you much time and effort. and you must try countless times.

让我没有想到的是，在一个月后你给我发了一条我接到的最简单但是最有意义的短信，虽然只有一个字，但是我知道，为了这一个字你花了太多的精力和时间。

youdao

I don't know what it takes to replicate that in China, but I certainly hope one day there will be a place in China that looks like Silicon Valley.

无法想象如何在中国复制一个硅谷，但我希望在将来，中国会有类似硅谷的地方。

youdao

I know where the young people come together, we have the possibility of doing whatever it takes to make the world a better place."

VOA: special.2009.07.01

I take it the claim basically is that, to put it in more familiar language it takes one to know one.

我把那个看做是个断言,基本上是为了,用更熟悉的语言来阐述,只有同类才最了解彼此

耶鲁公开课 - 死亡课程节选

Um, even like I've seen pictures of just some really crazy graffiti that's like, you know, it takes actual skill to do.

像是我甚至看到过一些真正疯狂的涂鸦作品，干那个还真需要技术。

街头艺术 - SpeakingMax英语口语达人

But I know it takes more than that to convince you.

FORBES: Is A Career Change Possible In This Economy?

And when it comes to our economy here at home, I know what it takes to create 12 million new jobs and rising take-home pay.

WHITEHOUSE: The White House

Do I know what it takes to be successful in this new direction, and am I committed to it 100%?

FORBES: A Surefire Plan to Figure Out What You Really Want