Definition: when people fight or shout Level: C2
市政厅外发生了一场骚乱，一名男子受伤。
A man was hurt during a ___disturbance outside city hall.
社会骚乱也是失业导致的结果之一。
Social ___disturbances are also a result of unemployment.
警方被召集来平息体育场内的骚乱。
The police were called to quell the ___disturbance at the stadium.
