"It takes ten years to grind a sword, but the frost blade has not been tried" means that after ten years of hard work, a sword is pulled out, and the blade is cold and shining, but it has not been tested.
Origin:
The swordsman/Narrating Sword by Jia Dao in the Tang Dynasty
After ten years of grinding a sword, the frost blade has never been tried.
I'll show you today, who has something unfair.
Translation
After ten years' hard work, I found a sharp sword, the blade of which flashed with cold light, but I didn't try to sharpen it. Now I'll take it out and show it to you. Anyone who has an injustice may as well tell me truthfully.
Extended information
Author
Jia Dao (779 ~ 843), a poet in the Tang Dynasty, was called a "poetry slave" with the word "láng", and was called "thin in a cold island" with Meng Jiao, Han nationality, who was born in Fanyang County (now Zhuozhou, Hebei Province), a secluded state in Hebei Province in the Tang Dynasty. Since the name "Jieshishan people".
It is said that when he was in Chang 'an (now Xi 'an, Shaanxi Province), because there was an order forbidding monks to go out in the afternoon, Jia Dao complained about poetry, and Han Yu discovered his talent and became a "poet". Later, he was taught by Han Yu and took part in the imperial examination, but he failed to win the first place.
Tang Wenzong was excluded and demoted to be the master book of Changjiang County in Suizhou. At the beginning of Huichang, Tang Wuzong was transferred from Puzhou Sicang to a household, but he did not die of illness.
representative works
1. The Collection of the Yangtze River is a collection of poems by Jia Dao, a poet in the middle Tang Dynasty. The name of the collection of poems was obtained because Jia Dao was the main book of Changjiang County (now Daying County, Sichuan Province) (known as Jia Changjiang in the world); Bitterness and hardship have formed the content and language characteristics of his poems.
2. Chronicle of Tang Poetry, a collection of materials on China's poems in Tang Dynasty. All 81 volumes are compiled by Ji Yougong in the Southern Song Dynasty. There are more than 1,15 poets in the Tang Dynasty, and their contents are extremely rich. The works of many writers in the Tang Dynasty were gradually lost in the Song Dynasty. The purpose of Ji's compilation of this book is mainly to preserve the poetry documents of the Tang Dynasty.
Baidu encyclopedia-Jia Dao