To me it reflects a particular German moodiness that I know so well.

在我眼里这些照片反映的是我所熟知的德国式的忧郁心情。

youdao

A less extreme and more common measure employed is that of moodiness.

一种被使用过的不那么极端又常见的措施是情绪多变。

youdao

So the 26 moodiness of my usual temper increased to hatred of all things.

于是我的脾气越来越坏，开始痛恨一切。

youdao

Realistically only three of his eight seasons in New York could be called outstanding, the rest bringing bursts of power interrupted by bouts of moodiness and inconsistency.

FORBES: Magazine Article

New moms tend not to get nearly as much sleep as their minds and bodies require, and any sleep expert or doctor will tell you that prolonged sleep debt leads to hallucinations, a loss of perspective, moodiness and lo and behold, intrusive psychotic thoughts.

CNN: When motherhood becomes a nightmare