verb · to begin suddenly and often violently, such as a war, revolution, or epidemic

两国边境爆发了武装冲突。

verb · to suddenly release a strong emotion, sound, or energy

全场爆发出一阵雷鸣般的掌声。

verb · to explode or eject matter violently, such as a volcano

这座火山已经沉睡了多年，突然爆发了。