war outbroke 战争爆发
disease outbroke 疾病爆发
violence outbroke 暴力爆发
A: What happened in the city last night?
A：昨晚城市里发生了什么？
B: A riot outbroke suddenly.
B：一场骚乱突然爆发了。
1) 突然发生
2) 爆发
3) 冒出
1. 爆发，突然发生
verb
1. To start happening suddenly, especially something unpleasant like war, violence, or disease.
Synonym: erupt, burst