grand poobahWiktionary 原文词源说明From Pooh-Bah, the name of a character in Gilbert and Sullivan's comic opera The Mikado (1885).释义（英文）名词 Noun(idiomatic, colloquial, often humorous) A person who is important or high-ranking.(slang, idiomatic) An extremely pompous person.词族相关词（1）poobah