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

to take revenge; to retaliate

revenge; retribution; retaliation

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.

Eastern nation, Eastern country.

to include; to subsume; to contain

inclusion; subsumption; containment

forecast, prediction / weather forecast