u sầu 
dark and gloomy, melancholy, sullen [ u ] : (1) to swell (part of the body), swollen; (2) (wet) nurse; (3) dark; (4) quiet, secluded
[ sầu ] : sad, melancholy
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
u sầu dark and gloomy, melancholy, sullen