I know that I am getting my words muddled up.

我知道我现在语无伦次了。

《柯林斯英汉双解大词典》

"I know that I am slow, but I'll try to be steady, and to do my best." said the little girl, as she went on with her work.

“我知道我很慢，但我努力稳当，尽我所能。”小女孩说着，继续她的工作。

youdao

I know that I am not your typical web user.

我知道我不是你们的典型网络用户。

youdao

"I never done it in my life - I don't,know kind of hard, that's why I am still here - unemployed."

VOA: standard.2010.05.15

I don't know about that. I am not so sure." But then, we realized that like when we walk out that door, it's the whole world again. So you get sucked up by your group, by your sort of identity.

我不知道，不是很确定，然后呢，我们就意识到走出那个大门，又是一个完整的世界，所以你就会,被你的团体，你的身份所束缚。

普林斯顿公开课 - 人性课程节选

I don't know, I dropped out of public accounting, so maybe that means I am one of the boring ones, who knows?

我也不清楚，后来我就退出公共会计了，或许这意味着我是个无聊的人，谁知道啊？

会计学很有意思 - SpeakingMax英语口语达人

Sure, I know more than I did then, but I also know that I am fallible.

FORBES: Is Your Doctor Relying On Bad Information?

"I know that I am very near the end of my time, " Samaranch said.

BBC: Juan Antonio Samaranch 'leaves lasting Olympic legacy'

As a result, I know that I am a community leader, who can help others.

WHITEHOUSE: Youth in Action: "Don't Give Up on Youth"