dissatisfaction

The survey revealed widespread dissatisfaction among employees regarding the new health insurance plan.

(Chinese) 调查显示，员工对新的医疗保险计划普遍感到不满。

After waiting for two hours, the customers expressed their dissatisfaction with the slow service.

(Chinese) 在等待了两小时后，顾客们对缓慢的服务表达了不满。