Hard rock(jīn shí zhī jiān)

Hard rock

Jinshizhijian, a Chinese idiom, Pinyin is j ī NSH í zh ī Ji ā n, meaning as hard as metal and stone. Extremely hard or strong. It's from Qifa.

The origin of Idioms

Han Meicheng's Qifa: "although it has the strength of gold and stone, it will still be strong enough to understand."

Idiom usage

Used as an object; described as extremely hard or strong. In addition to Feng Jingyan's system of Jiedushi of German army, Su Zhe of Song Dynasty said: "harmony but not sameness, the nature has the virtue of salt and plum, grinding but not phosphorus, and cherishing the strength of gold and stone."

Chinese PinYin : jīn shí zhī jiān