conflict (= arguing or fighting) between people of different economic and social classes, that may involve violence

They talk about waging class war on aristocrats. 他们主张向贵族发动阶级战争。

His critics say he sparked a virtual class war by telling the poor that their problems are the fault of the wealthy. 批评他的人说，他告诉穷人他们的问题是富人的错，从而在实际上引发了一场阶级战争。