n.爱发牢骚的人，牢骚满腹的人

原形：complainer复数：complainers

I can't stand working with him; he's always complaining about something.
我无法忍受和他一起工作，他总是抱怨不停。
She was a complainer from the moment she woke up, grumbling about her alarm clock.
她从一醒来就开始抱怨，对她的闹钟不满。
He was quick to complain about the long commute, but never suggested an alternative solution.
他很快就抱怨起长途通勤，但从没提出过替代方案。
She is a complainer and always looks for reasons to criticize others.
她是个爱抱怨的人，总找理由批评他人。
My brother is such a complainer, I often find myself doing things just to avoid his complaints.
我哥哥是个爱抱怨的人，我常常为了避开他的抱怨而去做事。
He complained about the weather every day, but never took an umbrella.
他每天都在抱怨天气，但从未带伞。
The complainer in the group always seems to drag everyone down with their negative energy.
那个爱抱怨的团队成员似乎总是用他们的消极能量拖垮所有人。
She was quick to point out any flaws in the project, but rarely offered solutions or constructive criticism.
她很快就能指出项目中的任何缺陷，但很少提供解决方案或建设性的批评。
He complained about being bored at work, yet never volunteered for any extra tasks.
他在工作中抱怨无聊，但却从不主动要求做额外的任务。
Despite her constant complaining, she seemed to enjoy her job.
尽管她不停地抱怨，但她似乎还是喜欢她的工作。