Never before
As a Chinese idiom, Pinyin is Ju é h ò ugu ā ngqi á n, which means to expand the things that the predecessors can't do, to do things that the later generations can't do, to describe the great achievements. It comes from the four strokes of Rongzhai, the story of Lantian Chengbi.
Idiom explanation
Jue: cut off; Guang: Everbright, expand. It expands the things that the predecessors can't do, and makes the things that the later generations can't do. It is used to describe great achievements.
The origin of Idioms
In Song Hongmai's "four strokes of Rongzhai · the story of Lantian Chengbi", it is said that "diwenyou is extremely precipitous and has never been seen before. If you look at it with willows, it is almost as beautiful as a jade."
Idiom usage
Example: Xiang Wang Ge theory. The third chapter of Tang Dynasty's notes on pioneering life by Wen Daya
Never before
attend to the trivialities and neglect the fundamentals - bèi běn qū mò
the determination to win victory and the courage to surmount every difficulty - yú gōng yí shān