pustule; (fig.) worthless person; a good-for-nothing; useless weakling

pus

pustule; pussy pimple; same as 膿包|脓包[nong2 bao1]

pus

pimple containing pus

to fester; to suppurate; to be infected

to discharge pus; to suppurate

(of a sore etc) to fester; to ulcerate