I just couldn't get used to living in a big city, so here I am back in school taking courses for a teacher's certificate.

我只是无法适应大城市的生活，所以又回到了学校，参加教师资格证书的课程。

youdao

After walking onto the stage, she began to speak, "I know you have been laughing behind my back for years. Today I have a great chance to make you all laugh in front of me. That's why I am here."

走上舞台后，她开口说：“我知道你们在背后嘲笑我好多年了。今天我有一个很好的机会让你们在我面前笑。这就是我在这里的原因。”

youdao

See here, I am limping and have blisters on my feet from walking here. I cannot possibly go back again.

你看，我是个跛子，为了走到这儿来，我脚上已经打起泡来了，不可能再走回去。

youdao

"I guess it was a process of waking up to what I was actually doing and just as I am helping set up all these memorials out here, I think back to some of the things that were part of my day to day life in the military even before I got to Iraq, just how some of our battle cries would be things like kill them all."

VOA: standard.2010.03.20

Here I am going back to what I talked about right at the very beginning of the first lecture.

说回第一节课开始时,谈到的问题。

哈佛公开课 - 幸福课课程节选

And then I could put a couple of plates and I could raster the beam so that when I am looking here,the beam goes back and forth about 80 times a second.

然后我放了两个感光片,我可以检测到光束所以,当我观察时,电子束以每秒80次的速度来来回回了。

麻省理工公开课 - 固态化学导论课程节选

Let me tell you, I am -- like that precious little one right there -- many precious little ones. (Applause.) I am so thrilled to be here, and I am thrilled that I will be coming back here to North Carolina next month for our convention.

WHITEHOUSE: Remarks by the First Lady at a Campaign Event

"Here I am back in the same situation as last year, " said Safina.

BBC: Kuznetsova wins French Open title

Now, I am back here in New Hampshire not just because I need your help -- although I do.

WHITEHOUSE: Remarks by the President at a Campaign Event