I'm not saying this to brag or that I know it all.

我说这些不是吹嘘也不表明我知晓一切。

youdao

Linna, I know it all sounds rather idealistic than realistic to you right now.

琳娜，我知道这一切现在听起来对你来说过于理想化。

youdao

Beginner + : Gives you "I know it all" look whenever you talk about programming.

初学者+：当你提到编程时，他们看上好像无所不知。

youdao

"I am happy." he said, "that I was the first one to open the door -- to let everyone know we could all do it."

VOA: special.2010.03.07

I think we all know what it's like, actually, just watching yourself retaliate against somebody because you're angry and stop wondering why did I do that.

我想我们都深有体会，看着自己与某人作对，复仇,因为出于愤怒,而不再思考究竟是为了什么。

普林斯顿公开课 - 人性课程节选

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

And kind of like Frances, I was, you know, I had my job for 22 years, and it's basically all I know.

NPR: Unemployed Women Wait For Phone To Ring

All I know is that it just works all the time, every time.

FORBES: What Network Security Can Learn from Stealth Fighters

At the rate it is increasing, I don't know if I will be able to tear it all out much longer.

FORBES: Time Wasters, Time Savers