( ˌchairman of the ˈboard) the person who leads a company's board of directors 主席；董事长◆She was the founder, chairman and CEO of the company. 她是公司的创办人、董事长兼首席执行官。◆He serves as non-executive chairman (= he is not involved in running the company on a daily basis). 他出任非执行主席。◆the outgoing chairman (= the one who is about to leave the company) 即将离任的董事长◆He stepped down as Vivendi's vice chairman. 他卸任了维旺迪公司副董事长一职。➡president (1) ⨁to be promoted to / serve as chairman 晋升／担任董事长⨁to appoint sb (as) / elect sb / make sb chairman 任命／选举／使某人成为董事长⨁to resign / retire / step down as chairman 辞去董事长职位；从董事长职位退下来；卸任董事长一职
the head of an official committee or organization （官方委员会或组织机构的）主席，会长◆the chairman of the British Medical Association 英国医学协会会长⨁to appoint sb (as) / elect sb / make sb / serve as chairman 指定／选举／任命某人为主席；担任主席⨁to resign / retire / stepdown as chairman 辞去主席职位；从主席职位退下来；卸任主席一职⨁an acting chairman 代理主席
the person in charge of a meeting, who tells people when they can speak, etc. （会议的）主席，主持人◆The chairman opened the meeting by welcoming those present. 会议主席欢迎来宾，作为会议的开始。◆She was elected chairman at the committee's first meeting. 她在委员会的第一次会议上获推选为会议主席。⨁to appoint sb (as) / make sb chairman 指定／任命（某人）为会议主席