dou·ble a·gent
noun/ˌdʌbl ˈeɪdʒənt/
/ˌdʌbl ˈeɪdʒənt/
- a person who is a spy for a particular country, and also for another country that is an enemy of the first one
双重间谍 - They couldn’t prove it, but he was almost certainly a double agent.
他们虽不能证明，但基本肯定他是个双重间谍。
- They couldn’t prove it, but he was almost certainly a double agent.