1.mogul 

　　大人物；大亨；富豪；权贵；巨头

　　movie/media/industry moguls 电影／传媒／工业巨头

　　He is a real estate mogul. His net assets is said to exceed 10 billion US dollars .他是一个地产大亨。他的资产净值据说超过百亿。

　　2.magnate

　　巨擘，富豪，大亨；工商界巨头

　　a well-known shipping magnate 赫赫有名的船王

　　a press magnate 报业巨子

　　a steel magnate 钢铁大王

　　an oil magnate 石油大亨

　　3.tycoon 

　　（企业界的）大亨；巨擘

　　a business/property/shipping tycoon 商业／地产业／船业巨头

　　4.movers and shakers

　　有权势的人;有影响力的人物

　　= people with a lot of power and influence.

　　It's a play that's attracted the attention of the Broadway movers and shakers. 这部戏剧引起了百老汇大人物的关注。

　　Who are the movers and shakers around here? 这里是谁在作主？

　　5.honcho

　　负责人，主事者; the person in charge

　　Who's the head honcho around here? 这儿谁是负责人？

　　I want to talk to the head honcho. 我想跟这里的负责人说话。

　　6.who's who 

　　某个领域中的重要人物或知名人士

　　The convention was attended by a who's who of the publishing industry. 一位出版业的要角出席了这场会议。

　　7.hot shot

　　高手；达人；大亨

　　= a talented and successful person.

　　She's quite a hotshot at chess.  她是个国际象棋高手。

　　Now he's a lecturer, he thinks he's a real hotshot! 现在他当了讲师，就认为自己是高手了。

　　The company has hired a couple of young hotshots to revamp its advertising campaign.

　　They've hired a hotshot lawyer.

　　8.big shot

　　大人物

　　He is a big shot though he looks so common. 虽然他看上去很普通,但他是个大人物。

　　His father is a big shot in the steel industry. 他父亲是钢铁业的大人物。

　　9.big wheel 

　　重要人物；具有影响力的人

　　That man is a big wheel in the electronics industry. 那个人是电子工业巨子。

　　10.bigwig 

　　权贵之人；大亨

　　We were invited to a lunch with local bigwigs. 我们受邀与当地要人共进午餐。

　　All the bigwigs of the city gathered together to discuss the formation of a new development bank. 这个城市的所有的大亨聚集在一起讨论如何成立一家新建设银行。

　　She had to entertain some boring local bigwigs.

　　11.big gun 

　　有影响力的重要人物 

　　She's a big gun in city politics. 她是市政要人。

　　They called in the big guns to deal with the problem.

　　12.big noise

　　有影响力的人, 要人, 名人

　　In our school, Professor Johnson was a big noise. 在我们学校, 约翰逊教授是个鼎鼎大名的人物。

　　13.kingpin 

　　（组织中的）主要人物，领袖

　　Police have arrested the suspected kingpin of a car-stealing operation. 警察逮捕了疑似偷车集团首脑的嫌犯。