Talk without research or basis
Used to indicate that something is absolute nonsense
Negative
这并不是无稽之谈，确实是从大量史料中总结出来的 | Zhè bìng bùshì wújīzhītán, quèshí shì cóng dàliàng shǐliào zhōng zǒngjié chūlái de
This isn't unfounded nonsense! It's a summary compiled from a great deal of relevant resources
[Source]
这份报纸对总统的攻击纯属无稽之谈 | Zhè fèn bàozhǐ duì zǒngtǒng de gōngjí chúnshǔ wújīzhītán.
This newspaper's assault on the president is totally unjustified
[Source]
None
无稽之言 (wú jī zhī yán)
None
《尚书》(Shàng Shū), generally known in English as the "Book of Historical Documents" or "Book of History." It is one of the five classics of ancient Chinese literature.
This chengyu is from a line in the work listed in the "Origin" section above