agent

詞意辨析：

delegate, deputy, representative, agent, substitute

這些名詞有“代表、代理人”之意。
delegate: 指一般被派參加某一會議的代表。
deputy: 指上級授權代理行事的代表，特指被選擇為執行全部或部分公務的人。
representative: 一般指被選舉或委派代表某人或一些人或某個較大團體的人，其職務有時是較長期的。
agent: 普通用詞，通常指經授權代理另一個人或團體，或指在雙方之間代表一方起中間作用的人。
substitute: 主要強調某人或某物可以用來代替別的人或物的作用。　

英文解釋：

名詞 agent:

1. an active and efficient cause; capable of producing a certain effect
2. a substance that exerts some force or effect
3. a representative who acts on behalf of other persons or organizations
4. a businessman who buys or sells for another in exchange for a commission
   同義詞：factor, broker
5. any agent or representative of a federal agency or bureau
   同義詞：federal agent
6. the semantic role of the animate entity that instigates or causes the happening denoted by the verb in the clause
   同義詞：agentive role

字典網

字典網

例句：

1. FBI is on the look out for the agent these days.
   這些天聯邦調查局正在注意那個特工。
2. He and his agent have parted company/He has parted company with his agent.
   他和他的代理人散夥了。
3. I booked my holiday through my local travel agent.
   我是由本地的旅遊代理人預先安排的度假事宜。
4. For further information, contact your local agent.
   要進一步了解情況，請與本地代理商聯繫。
5. Should you not wish our agent to call, please let us know.
   你若不希望我們的代理人去造訪，請告之。
6. The agent spoke on behalf of his principal.
   代理人代表他的委託人說話。
7. I have been instructed by my agent that you still owe me 100 pounds.
   我的代理人通知我，你還欠我100磅。
8. He used to be a literary agent.
   他曾是一位著作經紀人。