道听途说路上听来的消息。指没有根据的传闻。例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》英hearsay; what is spoken and heard in the street; pick up what has been heard on the way;[查看详情]

无稽之谈不真实的或虚假的事情。例一些关于间谍问题的陈腐和荒唐的无稽之谈。英tarradiddle; fantastic talk; baseless gossip; fiddle-faddle; shear nonsense; silly remarks; story made out of the whole cloth;[查看详情]

信口开河随意乱说。例刘姥姥是信口开河。——《红楼梦》英shooting off one’s yap; lie in one's teeth; talk at random;[查看详情]

信口雌黄古时写字用黄纸写错了就用雌黄涂抹改写。比喻不顾事实随意乱说。英make irresponsible remarks; talk sheer nonsense; wag one's tongue too freely;[查看详情]

不足为凭不能作为凭据。英afford little or no evidence; cannot be taken as evidence;[查看详情]

空中楼阁悬于半空之中的城市楼台。英castles in the air;比喻虚构的事物或不现实的理论、方案等。例邵尧夫(雍)犹空中楼阁。——《二程全书遗书七》英realm of fancy; illusion;[查看详情]

水中捞月在水中捞月亮。比喻徒劳而无功。例恰便似沙里淘金石中取火，水中捞月。——元杨景贤《刘行首》三折。是人非人心不别是幻非幻如何说。虽则似空里拈花却不是水中捞月。——明汤显祖《还魂记冥誓》英make vain efforts;也作“水中捉月”例镜里看形见不难水中捉月争牛得。[查看详情]

捕风捉影风和影都是无形的东西形容言行的立论没有事实根据凭空臆想。例若悠悠地似做不做，如捕风捉影，有甚长进！——宋朱熹《学一》英catch at shadows; run after a shadow; make accusations on hearsay;[查看详情]