a person who is given the power to do something instead of another person, or the person whose rank is immediately below that of the leader of an organization

I'd like you to meet Ann Gregory, my deputy. 我想请你见见我的副手安•格雷戈里。

I'm acting as deputy while the boss is away. 老板不在的时候，我就代理他的工作。

the deputy director/editor/sheriff 副主任／编辑／治安官

UK She's deputy (head) of a large North London school. 她在北伦敦地区一所很大的中学当副校长。