I never knew what it meant, but I knew it was your way of letting me know that you had checked in on me. Anyway I looked it up.

我以前从来不知道那是代表什么意思，但是我知道你是在用你的方式告诉我，你每天都来看过我。

youdao

I knew it! I knew it!

我就知道是这样，我就知道是这样！

youdao

And I knew it. I knew it the first time I touched her. It was like coming home... only to no home I'd ever known.

我知道。头一次接触她时我便知道。就像回家，却是前所未知的家。

youdao

I just got good at it, because I knew I had to hurry because I was supposed to die."

VOA: special.2009.09.16

Though I knew that I had killed the kitten, my mother's words had made it live again in my mind.

我虽杀了那只猫，可母亲让我对它改变了看法。

耶鲁公开课 - 1945年后的美国小说课程节选

So I read the whole book, 650 pages, maybe I kind of read fast because I knew a lot of it.

我读完了整本书,足足650页,也许我读的很快,因为很多内容我都懂

耶鲁公开课 - 金融市场课程节选

"I started screaming, 'I knew it, I knew it, I knew it!'"

CNN: Families of captured pilots wait, hope

"I was trying to be ginger and conscious about it when I knew it was going to a lot of people that were involved in our lives, " she said.

CNN: Spector murder trial: Spector attorney resigns

"I knew that -- I even knew that it was crazy that I was with somebody that I didn't meet, " he told ESPN.

CNN: Manti Te'o denies he was part of girlfriend hoax