n.忧郁
Deep and thoughtful, you are prone to moodiness. 深沉，有思想，喜怒无常。
He is so moodiness that it's difficult to forsee his reaction. 他如此喜怒无常，所以很难预知其反应如何。
He is of moodiness ,which makes it hard to predict his reaction. 他如此喜怒无常，所以很难预知其反应如何。
He is so moodiness that it is hard to predict his response. 他如此喜怒无常，所以很难预知其反应如何。
He is so moodiness that hard to predict his reponse. 他如此喜怒无常，所以很难预知其反应如何。
