bad mood

基本解释

The incident put her in a bad mood.
这件事使她心情很不好。
dict.cn
Also, if you ever feel like hurting yourself, that's more than just a bad mood and you need to tell someone.
同样的，如果你曾经尝试去伤害你自己，那么这就不仅仅是坏情绪了，你需要去告诉别人你的状态。
In keeping with that, previous study has also found that bad mood is often a response to perceived danger or discomfort, while good mood indicates that "an environment is benign.
与此理论一样，以往的研究也发现坏情绪常常是对感觉到的危险或不舒适的一种反应，而好的情绪则预示着一种良好的环境。

If you're tired or stressed out or in a bad mood or, you know, full of rage.
如果你很累、压力很大、心情不好，或是很愤怒的时候，
会打棒球吗？ - SpeakingMax英语口语达人

Rego says that because a bad mood rarely has a single cause, there is no single treatment.
FORBES: How To Snap Yourself Out Of A Bad Mood
To that end, he suggests finding finding ways to talk yourself down from the bad mood ledge.
FORBES: How To Snap Yourself Out Of A Bad Mood
On the occasion where Miller was in a bad mood, he would slowly sip a neat Old Grand Dad.
FORBES: Friends and Colleagues Pay Tribute to Baseball's Marvin Miller, a Giant of American Labor