agent
/ˈeɪ.dʒənt/
noun
那位特工不知疲倦地为政府收集情报。
noun
代理，代理人，智能体
In the client-server model, the part of the system that performs information preparation and exchange on behalf of a client or server. Especially in the phrase “intelligent agent” it implies some kind of autonomous process which can communicate with other agents to perform some collective task on behalf of one or more humans.
noun
施事者，动作执行者
noun
那个赌徒是个老千，他和赌场里不诚实的荷官勾结，在牌局上作弊。