Yin is firm and ice is firm
Yinningbingjian, a Chinese idiom, Pinyin is y ī NN í NGB ī ngji ā n, which means that Yinqi begins to condense and becomes frost, gradually accumulates and becomes ice; it means that villains gradually gain power and their status is gradually stable. It comes from Kun in the book of changes.
The origin of Idioms
Kun in the book of changes: "walking on frost and ice, Yin begins to condense."
Idiom usage
Combined; as object and attribute; with derogatory meaning. Example Wang Yinglin of Song Dynasty: "Yin is firm and ice is firm, which is very similar to Tao."
Yin is firm and ice is firm
with hands and feet covered by thick callosities as a result of hard work - shuāng zú chóng jiǎn
Promoting good and dethroning evil - jìn shàn chù è