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

Seven or eight hours each night should increase your energy and decrease moodiness.

每晚睡上7到8个小时可以为你增加能量，减少情绪低落。

youdao

Many people think of depression as feeling sad, but depression can also bring feelings of moodiness, impatience, anger, or even just not caring.

很多人觉得沮丧就是难过，但是沮丧也能带来喜怒无常，不耐烦，生气，甚至是漠不关心。

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