a manifold villain的用法和样例：
- The City Council has a manifold plan to beautify the city.
- The criminal is a murderous villain.
- The Ricci flow equation has a similar effect on curvature, morphing a manifold to even out all the bumps and hollows.
- The king is represented as a villain in the play.
- The eternal Spirit appears as a manifold of individuals endowed with form and subject to the conditions of time.