"How on earth did she get it?"—"I dunno."

“她究竟是如何弄到它的？”—“我不知道。”

《柯林斯英汉双解大词典》

I have a pretty good idea where I left it—I hope I'm right.

我记得很清楚把它落在哪儿了—但愿我是对的。

《牛津词典》

I know you did it—I just want to know why.

我知道这是你干的，我只是想知道为什么。

《牛津词典》

Madam C.J.Walker explained it this way: "If I have accomplished anything in life, it is because I have been willing to work hard."

VOA: special.2010.03.28

But he started--the pigeons started to think, effectively, what was it I did just before that last piece of corn came?

那些鸽子会想,上一粒谷粒掉过来之前我做了什么

耶鲁公开课 - 金融市场课程节选

I wrote it down because I wanted to write it down and read it if you want.

我把它写下来了，因为我想把它写下来。如果你愿意的话，读读看吧。

肉品市场区的作家 - SpeakingMax英语口语达人

And I soaked it in, How I soaked it in, How I soaked it in.

NPR: 'BPP' Jukebox: Peter, Bjorn and John Soloist

Before I knew it I was thrown up against a wall where a motorcycle was parked.

FORBES: More Sexual Assaults in Egypt Reveal the Predatory Nature of Crowds

It has everything in it I want, and there's nothing in it I don't like.

CNN: AllPolitics - FDCH Transcript