An outburst of an emotion, especially anger, is a sudden strong expression of that emotion.
例句
...an outburst of anger.勃然大怒...a spontaneous outburst of cheers and applause...从心底爆发的欢呼和掌声
N-COUNT
（暴力活动的）突发
An outburst of violent activity is a sudden period of this activity.
例句
Five people were reported killed today in a fresh outburst of violence.据报道在今天最新发生的暴乱中有5人丧生。...this first great outburst of nationalist student protest.首次大规模爆发的民族主义学生抗议活动
英汉词典释义
n.
(蒸汽, 怒气等的)爆发, 突发
His outbursts of anger shock people.他的勃然大怒使人们为之震惊。