riot ·noun
Definition: angry, violent behavior by a crowd of people in a public place Level: C1
当人群发现路被堵时，游行变成了骚乱。
The march turned into a ___riot when the crowd found the way was blocked.
这个区域的街道包括南中央洛杉矶，两年前那里爆发了骚乱。
The streets in this district include South Central Los Angeles, where the ___riots broke out two years ago.
城市里爆发了一场骚乱，但警察在任何人受重伤之前设法制止了它。
A ___riot started in the city but the police managed to stop it before anyone got seriously hurt.