agent provocateur

1. N-COUNT An agent provocateur is a person who is employed by the government or the police to encourage certain groups of people to break the law, so they can arrest them or make them lose public support. 臥底; 坐探; 受雇於政府或警方的慫恿某些群躰違法作亂，以便使他們失去公衆支持的人

Agents provocateurs may seek to discredit the opposition. 臥底可能會設法敗壞反對派的名譽。