两言可决

《史记•平原君虞卿列传》：“毛遂按剑历阶而上，谓平原君曰：‘从之利害，两言可决耳。’”

【词语两言可决】 　成语：两言可决　　　汉语大词典：两言可决
【检索两言可决】　全文检索：两言可决