董事长的英文：
chairman

The director has been keeping mum about the firm's future plans.
董事长对该公司的未来计划一言不发。

the presidential chair
总统[总裁、议长、校长、董事长等]的职位[地位]

The share certificate is signed by the chairman of the board of directors and sealed by the company.
股票由董事长签名，公司盖章。

The plans were set in motion when the company president signed the document.
"当公司董事长批下公文时,这计划便开始作业了。"

It's a great pleasure for me to preside at this dinner in honor of Chairman x
我为能在此为….董事长主持晚宴而深感愉快

The chairman of the directors did not receive Walker yesterday because he was a walk-in.
董事长昨天不接待沃克，因为他是未经预约而来的。

It 's the president on the other end of the line!
那边是董事长!

Mary is private secretary to the company chairman.
玛丽是公司董事长的私人秘书。

a dummy director in a company
公司中的傀儡董事长

The director handles his staff well.
董事长善管人事。

He is slated to be the next chairman.
他被提名为下一届议长的候选人。

He is the chairman of the commonwealth of artists.
他是艺术家协会的主席。

I have to say this, Madam Chairman.
主席夫人，我不得不这么说。

The board of directors has a chairman and may have one vice-chairman if necessary.
董事会设董事长一人，可以视需要设副董事长。

The method of election of the chairman and vice-chairman is specified in the articles of association.
董事长、副董事长的产生办法由公司章程规定。