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
Chinese PinYin : bǎi liàn chéng gāng
be toughened and hardened into steel
Comb the clouds and sweep the moon. shū yún lüě yuè
Don't cover up great virtue with one brush. bù yǐ yī shěng yǎn dà dé
just listen to without taking it seriously. gū wàng tīng zhī