big dealWiktionary 原文英美释义名词noun1(idiomatic, informal, often sarcastic) Something very important or difficult; a matter of great concern; a considerable feat or achievement.2idiomatic, informalSomeone very important; a VIP.感叹词interjection1(idiomatic, informal, ironic) Indicates that something is not important or impressive; so what.同族词派生词 2make a big deal of·make a big deal out of