complain
/kəmˈpleɪn/
express complaints, discontent, displeasure, or unhappiness
Chinese meaning: 抱怨；投诉
Many residents complain about the noise from the construction site.
许多居民抱怨建筑工地的噪音。
She complained to the manager that the service was too slow.
她向经理投诉服务太慢。