John Brown was an important person in the history of Harpers Ferry.

VOA: special.2009.11.06

I want to talk about - move on and talk a little bit about some general concepts from physiology that are really important and here is a table that gives characteristics of an average person.

接下来我想说一些,生理学上非常重要的基础性的概念,这里有一个表格,给出了一个普通人的特征参数

耶鲁公开课 - 生物医学工程探索课程节选

Some of the most important fascinating studies in the field of psychology where a person off the street was told by an experimenter to shock another person, even to the point where the other person is screaming to stop.

两者都是心理学领域,最精彩的研究，在街上随便找个人,在实验者的指示去电击另一个人，甚至电击到另一个人尖叫恳求停止。

哈佛公开课 - 幸福课课程节选

Big wheel is another way to describe an important person.

VOA: special.2009.11.29

A kingpin is another word for an important person.

VOA: special.2009.11.29

My father is an important person.

VOA: special.2010.05.02

She was an insecure person. She did not think she had the ability to do an important job.

VOA: special.2009.04.26