complainer

n.

爱发牢骚的人；牢骚满腹的人；

复数：complainers

1. It is a general popular error to suppose the loudest complainer for the public to be the most anxious for its welfare.
   以为为公众大声疾呼者就是最急于为公众谋福利的人，其实是一个极其普遍的错误。

Complainer characteristics when exit is closed
... AND THE CHRONIC COMPLAINER
Coping with the chronic complainer
A survey on complainer patients to orthopaedic surgeons
A Study on Effective Complaint Handling by Complainer Types in Internet Retailing
An asymmetric configural model approach for understanding complainer emotions and loyalty ☆
It Could Be Worse: Effective Group Psychotherapy with the Help-Rejecting Complainer
Consumers' Negative Electronic Word of Mouth: Non-complainers, Bad-mouthers, Dissatisfied complainers, and Satisfied complainers
Factors That Influence a Consumer Complainer's Rating of Service Received from a Third Party Complaint-Handling Agency - the Los Ang...
Other-customer failure: Effects of perceived employee effort and compensation on complainer and non-complainer service evaluations