In Korean tradition, dreaming of sadness is read as mixed. It is most often tied to 애정, 전반.
Sorrow in a dream was often read in reverse — worry lifting, joy coming. Sadness lingering after waking, a time to tend the heart.
Tradition reads the symbol as an omen; psychology reads the same dream as a mirror of your present state. Describe your dream and both readings appear together. Interpret your dream