unheard-of
As a Chinese idiom, Pinyin is Ku à NGG à w è IW é n, which means that it has not been heard of since ancient times. From the book of songs · Zhou Song · Jing Zhi.
Notes on Idioms
Ancient: since ancient times.
The origin of Idioms
In the book of songs · Zhou Song · Jing Zhi, Kong Yingda said: "it is rare to hear that a man is a minister and a son of heaven."
Idiom usage
I haven't heard of it since ancient times. Example Wu Jiang que Da Yin received Nanyang Wei Wen Shu. When he opened it, he was surprised. This matter has never been heard of before. The warning of the world by Feng Menglong in Ming Dynasty Volume 34
Chinese PinYin : kuàng gǔ wèi wéi
unheard-of
rescued from desperate situation. kū shù féng chūn
A bed of brocade is covered. yī chuáng jǐn bèi zhē gài
take on a risky , difficult job again. zài zuò féng fù