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]

荒诞无稽形容极其荒谬不可信以为真。例这些荒诞无稽的谬说。英fantastic; unbelievable; absurd;[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]

流言蜚语原指没有根据的话现在多指在别人背后散布的诬蔑、中伤的说法。例村里传开了流言蜚语说什么夏家的寡妇不正派伤风败俗。英lies and slanders; slanderous tales;[查看详情]

无中生有道家认为自然界的物质来自视而不见的空间；把本来不存在的事说成确有其事。英make sth.out of nothing; be purely fabricated;[查看详情]

一纸空文指不起作用的书面文件。例近来又有了什么外销名目说是筹了款项，只能办理本省之事将来不过一纸空文咨部塞责。——清李宝嘉《官场现形记》英be a mere scrap of paper; be empty words on a sheet of paper;[查看详情]

口说无凭空口所言无凭无据。例放你不值什么只不知你谢我多少？况且口说无凭写一张文契才算。——《红楼梦》英oral expressions can not be taken as evidence; words of mouth alone don't carry conviction;[查看详情]

镜花水月镜中花与水中月，指意境不可以形迹求。比喻空幻飘渺。例诗有可解不可解，若镜花水月勿泥其迹可也。——《诗家直说》英flowers in a mirror and the moon's reflection in the water;[查看详情]

无凭无据没有凭证和根据。[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]