spy

• 指秘密搜集组织、国家或个人情报的人，常用于政治或军事目的。

A noun referring to a person who secretly gathers information about an organization, country, or individual, often for political or military purposes.

1. Secret agentB1formal

   A person who secretly collects information about an enemy or competitor.

   间谍

   • The spy was caught trying to steal classified documents.
   • She worked as a spy for the intelligence agency.
   • The novel tells the story of a double agent spy.

   同义词agentintelligence agentoperativesecret agentundercover agent

2. Secret observerB2informal

   A person who watches others secretly, often for personal or malicious reasons.

   间谍

   • He felt like a spy when he overheard their conversation.
   • The neighbor was a nosy spy, always peeking through the curtains.
   • She acted as a spy for her friend to find out the surprise party details.

   同义词eavesdropperpeepersneaksnooper

• 动词，表示秘密观察或搜集关于某人或某事物的情报，常用于政治或军事目的。

A verb used to indicate the act of secretly observing or gathering information about someone or something, often for political or military purposes.

1. Secretly observeB2formal

   To secretly watch or gather information about someone or something, often for political or military purposes.

   暗中监视

   • The agent was caught spying on the embassy.
   • They used drones to spy on enemy territory.
   • She was accused of spying for a foreign government.

   同义词eavesdropmonitorobservepryshadowsnooptailwatch

2. Notice or seeB2formal

   To see or notice someone or something, often suddenly or from a distance.

   发现

   • I spied a familiar face in the crowd.
   • He spied a rare bird in the garden.
   • She spied the keys on the table as she walked by.

   同义词detectdiscernespyglimpsenoticeobservespot