the belief that a secret but powerful organization is responsible for an event 阴谋论:相信一个秘密但强大的组织应对事件负责 They sought to account for the fatal crash in terms of a conspiracy theory. 他们试图用阴谋论来解释这次致命的事故。 A lot of people subscribe to the conspiracy theory. 许多人相信这个阴谋论。