querulous
adj. 易怒的，暴躁的；爱发牢骚的，抱怨的；爱挑剔的
例句
A querulous male voice said, "Look, are you going to order, or what?"
一个爱发牢骚的男声说：“看吧，我们到底是要订购，还是怎样？”
《柯林斯英汉双解大词典》
One gets unsettled, depressed, and inclined to be querulous.
人会变得心绪不宁，情绪低落，容易发牢骚。
The national academies are becoming ever more querulous and greedy, and require higher pay-offs each year.
美国国家研究机构正变得越来越贪婪和反覆无常，并且每年的要价也越来越高。
