'I know you understand,' he said and gave a conspiratorial wink.

“我知道你明白。”他说道，会意地眨一眨眼。

《牛津词典》

I wanted to know why so I began self-monitoring to try to understand my behavior.

我想知道为什么，所以我开始自我监督来试图理解我的行为。

youdao

I want to know that you understand those authors.

你们得让我知道你理解了那些作者。

youdao

I know the human mind will not believe what it cannot understand.

VOA: special.2010.07.10

I want to know that you understand those authors."

你们得让我知道你理解了那些作者“

耶鲁公开课 - 文学理论导论课程节选

But you know, I understand it's a challenge when you're coming from a language that doesn't have any concept of an article.

但是，我能够理解当你的母语没有冠词的概念时，它将是一个挑战。

经常犯的失误 - SpeakingMax英语口语达人

And I want you to understand, I know it's still tough.

WHITEHOUSE: President Obama Speaks to Troops at Bagram Air Base

Now, before you comment on how terrible I am (which I know), understand that I am terribly scared of the ball after having been smashed in the face with one years ago.

FORBES: Silicon Valley CEO Wins Babe Ruth World Series

And I just wanted to bring your attention -- which I know that you understand fully -- that there's been a lot of conversation about we need to get the biggest bang for our buck.

WHITEHOUSE: President Obama Closes Forum on Jobs and Economic Growth