郁郁不乐: be in dismay; be cheerless; be in a dismal mood; be in a very melancholy frame of mind; be in low spirits; be in the doldrums; be out of spirits; be overwhelmed with grief; be quite out of
悲哀: grief; grieve; grievous; sorrow; sorrow over; sorrowful; sorrow-stricken; sad; sadness; mourn; mourning; woe; woeful; look blue; moanful; pathetic; be down in the blues [mouth]