an infectious disease caused by both the Variola major and Variola minor viruses; smallpox

to emit; to radiate

repaying a kindness; gratitude

(historical) dazibao; hand-written poster; big-character poster

revenge; retribution; retaliation

to take revenge; to retaliate

bubble / foam

peak; summit; height

a bubble, or foam, or froth / (attributive) the state of lasting only for a short time, like a bubble; ephemerality, transience, fleeting-ness, etc.

bill, a draft of a law