be toughened and hardened into steel

be toughened and hardened into steel

It is a Chinese idiom. Pinyin is B à Ili à NCH é ng à ng, which means that iron becomes tough steel after repeated tempering. It comes from defending our party.

The origin of Idioms

Guo Xiaochuan "defend our party" poem: "light the fire of struggle, so that people in the fire of a hundred refinements."

Idiom usage

Example some people are experienced in all kinds of battles, they are well-trained, and they like their hearts but not their colors. Xu Chi's Phoenix in the fire