n.喜怒无常，情绪

She's been in a terrible mood all day, and nothing seems to cheer her up.
她整天情绪低落，怎么也提不起精神。
His mood swings from happy to angry in a matter of seconds.
他的情绪变化无常，几秒钟内就能从开心转为愤怒。
The weather can affect my moodiness; I feel gloomy on rainy days.
天气会影响我心情，下雨天我会感到忧郁。
Her moodiness was a common trait during her menstrual cycle.
她在月经期间常常会情绪波动。
He apologized for his moodiness, saying he had just had a stressful day at work.
他为自己易怒的情绪道歉，说是因为工作压力大。
Her children learned to be patient with her occasional moodiness, knowing it was part of her bipolar disorder.
她的孩子们学会了忍受她偶尔的坏脾气，知道那是她双相情感障碍的一部分。
The teacher tried to understand the students' moodiness, as they seemed unusually irritable that day.
老师试图理解学生们为何那天情绪不佳，他们似乎特别烦躁。
The change in her mood from excitement to disappointment was palpable.
她从兴奋到失望的情绪转变非常明显。
It's difficult to plan an event when dealing with a guest who is prone to sudden moodiness.
面对一个容易突然情绪化的朋友，计划活动确实很困难。
The therapist helped her manage her moodiness by teaching her coping strategies and stress-reduction techniques.
心理咨询师通过教授应对策略和减压技巧帮助她控制情绪波动。