a person holding a position of authority in a government or organization
a local education authority officer
operative (US, Canadian)
The CIA wants to protect its operatives.
a person who operates a machine or instrument, esp. a telephone switchboard
He first of all worked as a machine operator.
political, financial, or social force or authority
the power of his rhetoric
a person authorized to act on behalf of someone else
She sent him as her proxy to board meetings.
a person employed by a government to find out the military and political secrets of other governments
He was blacklisted as a secret agent.
a person or thing that takes the place of another, such as a player who takes the place of a team-mate
She is seeking a substitute for the man who broke her heart.
a person or thing acting as a substitute
Leningrad was the third alien city to offer him a surrogate home.
Video: pronunciation of 'agent'
agent 的词库—— 柯林斯 英语词库