He had a sudden blow-up at the meeting and yelled at his colleagues.

blow-up 是由动词短语 blow up 组成的复合名词。blow 本意是"吹"，up 表示"向上、完全"，blow up 原指"爆炸"，引申为"情绪爆发"。 blow-up 在这里指"突然的情绪爆发或争吵"。