愤怒的人群向那辆车扔石头，然后放火烧它。The enraged crowd stoned the car, then set it on fire.暴乱者放火烧了当地的图书馆。The rioters torched the local library.他们放火烧了这座城市,而且屠杀了所有的居民.They set fire to the city and massacred all the inhabitants....

“放火烧”的英语可以翻译为：swale，set fire ...