This is confidential, but I know that I can rely on your discretion.

这是机密，不过我知道你靠得住。

《牛津词典》

The kind lady refused my offer of help, but I know that she didn't mean to offend me.

那位好心的女士拒绝了我提出的帮助，但我知道她不是有意冒犯我。

youdao

Grandmama told me, but I know that it is so.

奶奶告诉我的，但我知道是真的。

youdao

But I know that my father wears his heart on his sleeve.

VOA: special.2010.05.02

But I know that um, I don't, I'm not superstitious and I don't really believe in luck.

不过，我不是个迷信的人，我并不是真的相信运气。

沉迷于彩票的人们 - SpeakingMax英语口语达人

And I don't know why, but since time immemorial that is the way computer scientists have drawn trees.

叶子是在最下面的，我不知道为什么,但从记事以来他们就是这么画树的,这也许就是为什么我们。

麻省理工公开课 - 计算机科学及编程导论课程节选

But I know that my attempts since then are all because of that little girl.

NPR: The Connection Between Strangers

But I know that they all want to see progress and contribute to it.

WSJ: Lloyd Blankfein: The Business Plan for American Revival

But I know that for now, when I search current events I go to Google News.

FORBES: Google Search Now More Timely Than Ever