complainer

/kəmˈpleɪnə/ 17
A complainer is someone who complains a lot about their problems or about things they do not like. 抱怨者

noun [专属名词]老是抱怨的人

He was a terrible complainer – always moaning about something.
他真爱发牢骚—总在不停地抱怨。

单词造句: