道听途说

1. 道听途说 (dàotīng-túshuō)

   1. 路上听来的消息。指没有根据的传闻 hearsay;what is spoken and heard in the street;pick up what has been heard on the way
      • 小说家者流,盖出于稗官,街谈巷语,道听途说者之所造也。——《汉书·艺文志》

道听途说是成语。