Autumn frost on jade
Kunyu Qiushuang, a Chinese idiom, Pinyin is k ū NY ù Qi ū Shu ā, which means to compare the quality of firmness and strength. It comes from the biography of Kong Rong in the later Han Dynasty.
The origin of Idioms
Fan Ye of the Southern Song Dynasty wrote in the biography of Kong Rong in the book of the later Han Dynasty: "it's so beautiful that it can be compared with the autumn frost of Kunyu."
Idiom usage
In conjunction, as an object or attribute
Autumn frost on jade
a narrow space only enough for turning a horse - jǐn róng xuán mǎ
be cast aside like the fan in autumn - qiū háo jiàn juān