Irritability 指“易怒;急躁;容易被激怒的状态”,常用来描述一个人因疲劳、压力、生病或情绪紧张而变得更容易发火。(在医学/心理语境中也可指神经或身体组织“易受刺激性”。)
/ˌɪrɪtəˈbɪləti/
After a few nights of poor sleep, she noticed her irritability increasing.
连续几晚没睡好后,她发现自己变得更容易烦躁和发火。
His irritability, which had been building for weeks, finally erupted during the meeting, surprising everyone.
他那种持续了数周的易怒情绪终于在会议上爆发,令所有人吃惊。
来自 irritable(易怒的、易被刺激的)+ 名词后缀 -ity(表示“性质/状态”)。Irritable 源自拉丁语 irritare,意为“激起、惹怒、刺激”,因此 irritability 字面上就是“容易被刺激(从而发怒)的性质”。