the activity of secretly planning with other people to do something bad or illegal阴谋；密谋；谋划
a general agreement to keep silent about a subject for the purpose of keeping it secret保持缄默的密约
They are both charged with conspiracy to defraud an insurance company of $20 000.
It's all part of a conspiracy to keep women down.
He believes there is a right-wing conspiracy organized by the CIA and the military-industrial complex to maneuver the country into another war.
The tape recordings provided prosecutors with the smoking gun they needed to prove he'd been involved in the conspiracy.