cynicism

His constant cynicism made it difficult for his colleagues to stay motivated during the project.

(Chinese) 他那一贯的愤世嫉俗让他的同事们在项目期间很难保持动力。

There is a growing sense of cynicism among the youth regarding the fairness of the legal system.

(Chinese) 年轻人中对法律系统公平性的怀疑情绪日益增长。