发脾气的（尤因未能遂愿）；使性子的 behaving in a bad-tempered or unreasonable way, especially because you cannot have or do what you want
网络解释
adj. 易怒的；闹情绪的；怒气冲冲的
同、反义词
同义词：
adj.
grouchy,peevish,irritable,sulky,cranky
反义词：
adj.
even-tempered
双语例句
I won't act in pettish to you anymore. 亲爱的，我再也不对你撒娇了。
He was getting more and more pettish and hysterical. 他变得越来越任性，越来越歇斯底里。
But, I the most dear, why you can't come to a stop again to embrace my term I act in pettish term I commited tomfoolery? 可是，我最亲爱的，为什么你不能再停下来抱着我任我撒娇任我胡闹了呢？