machination|machinations

他的阴谋最终被揭露，所有人都很震惊。

Everyone was shocked when his ___machinations were finally revealed.

他精心策划了一系列阴谋来夺取公司的控制权。

He devised elaborate ___machinations to seize control of the company.

他发现了对手暗中策划的阴谋，试图破坏他的声誉。

He uncovered his rival's secret ___machinations to ruin his reputation.