Now I know it only too well.

现在我太了解这一点了。

youdao

I thought Numbers had betrayed me. But now I know it was not their fault.

我原以为数字被判了我，但现在我明白这不是它们的错。

youdao

I know their address is here somewhere, but I can't lay my hands on it right now.

我知道他们的地址就放在这块儿，但我一时找不到。

《牛津词典》

Scientific research is progressing at such an alarming rate I think it's impossible to know what ten years from now will hold."

VOA: standard.2010.06.09

I now know it's got to be between these two statements. So let's put it there.

我现在知道肯定是,在这两个声明之间了。

麻省理工公开课 - 计算机科学及编程导论课程节选

I was just reading his book right now about, you know, the rise of Facebook and how it all started.

我现在正在读他的书，关于社交网络的创建和兴起。

适合创业的旧金山 - SpeakingMax英语口语达人

If you and I were to get together 30 years from now, I know it's hard to envision, what kind of conversation do you think we'll have?

NPR: HIV-Positive Gay Latino Spreads Safe Sex Education

Senator HILLARY CLINTON (Democrat, New York): Well, I have said, and I will repeat it, that knowing what I know now, I would never have voted for it.

NPR: Sen. Clinton Takes a New Hampshire Tour

Alas, after reading the bill, I now know it has nothing to do with print media companies, per se, and is not about to save The New York Times from its circulation problems due to competition from the web.

FORBES: Under SOPA, "Justin Bieber Would Be In Jail"