I know this by experience.

我从经验得知这一点的。

youdao

B. Don't judge a book by its cover. Do you know his experience?

不要以貌取人。你知道他的经历吗？

youdao

I have to learn from my own experience and think by myself, right or wrong I did not know.

我只能从我自己的经验出发去学习和思考，对不对我也不知道。

youdao

And only by experience can we get to know it.

只有通过体验，我们才能获得了悟。

youdao

And only by experience can we get to know it.

只有通过体验，我们才能获得了悟。

youdao