incomparably superior
Yi Qun Jue Lun, Chinese idiom, Pinyin is y ì Q ú nju é L ú n, meaning beyond the world and peers. It comes from the biography of Yang Su in the book of Sui Dynasty.
The origin of Idioms
"Sui Shu · Yang suzhuan" said: "when the road is at the top of the Yiqun, it's an extraordinary tool. It's not captured by Ru Cao."
Idiom usage
It refers to people.
Chinese PinYin : yì qún jué lún
incomparably superior
like " cutting and grinding " stones -- to learn from each other. rú qiē rú cuō