opposing the ideas and people that are typical of the middle class (= a social group between the rich and the poor), especially when this involves not supporting existing customs or not being very interested in money and possessions

The anti-bourgeois opinions that he acquired during this time stayed with him for the rest of his life. 他在这段时间里形成的反资产阶级观点伴随了他一生。

anti-bourgeois sentiments 反资产阶级情绪