n. One who harangues, or is fond of haranguing; a declaimer.
n. (长篇)演讲, 慷慨激昂的演说；高谈阔论, 冗长的说教(或训话、文章等)vt. 向…作长篇演讲；大声训斥:vi. 高谈阔论；慷慨陈词