He used to be one of my professors.

他过去是我的一个教授。

《柯林斯英汉双解大词典》

The decision could be one he lives to regret.

这一决定也许会有让他后悔的一日。

《牛津词典》

He's thought to be one of the richest men in Europe.

他被认为是欧洲最富有的人之一。

《牛津词典》

But Ms.Smith says the voter registration process may be one reason why young people are less likely to vote.

VOA: special.2010.10.28

I would go so far to say that something like a satanic sensibility may be one of our best guides in our reading of Milton.

我大可以这样说，这种撒旦式的艺术感受力,可能是我们阅读弥尔顿时的最好引导之一。

耶鲁公开课 - 弥尔顿课程节选

My future plan, my record company is going to be one of the biggest independent record companies

未来的计划是让我的公司变成最大的独立唱片公司之一，

请听听我的歌 - SpeakingMax英语口语达人

Soon there will again be one independent Motorola the one most know little about.

FORBES: The Other Motorola

That may be one reason why the SEC settled with him first, LeBeau says.

FORBES: Comverse CFO Settles Backdating Charges

This may be one day a week or one day a fortnight they may exclude.

BBC: Couple drinking