Eg. I am number one.

我是第一名|第一号。

youdao

She had seven children in all and I am number three.

我的母亲一共有7个孩子，我排行第三。

youdao

I Am Number Four, from DreamWorks and Touchstone, grossed an estimated $6.2 million from 3, 154 theaters.

梦工厂和试金石影片公司的《关键第4号》在3154家电影院放映，估计赚得了620万美元的票房收入。

youdao

"I am impressed by the fact that a number of NATO nations have sent troops.

VOA: standard.2009.09.29

In a moment I'm going to ask you to humor us and stand up but not just yet; and then you're going to each take on the number 1-- think to yourself I am number 1.

待会儿我让大家站起来,一起娱乐一下,不过不是现在,一会儿你们每人都代表一个数字1，心里默想，“我是1号“

哈佛公开课 - 计算机科学课程节选

And then they moved to New Zealand and had the rest of us. So I am number eight.

然后他们搬去了新西兰，生下了其余的孩子。我排行老八。

世界就是我的故乡 - SpeakingMax英语口语达人

This weekend, the animated movie Gnomeo and Juliet almost tied with the new film I Am Number Four at the box office.

FORBES: Dear Hollywood, More Smart Kids Movies Please

Movies produced by Disney's Touchstone Pictures, such as "I Am Number Four" and "Shanghai Noon" are available free on YouTube, even though the studio struck a rental deal through the site.

WSJ: Illegally Uploaded Movies Crop Up Again on YouTube

So today I am personally appointing a number of senior parliamentarians as trade envoys.

BBC: David Cameron: We must push in 'global trade race'