It's hard for people to understand
It is a Chinese idiom. The Pinyin is y ǐ NgR é NY ù NF ǔ, which means mature and superb skills. From people's daily.
The origin of Idioms
On May 10, 1957, the people's Daily said: "this is not inferior to the skill of carrying an axe, nor is it inferior to the accuracy and carefulness required by western medicine in opening intestines and breaking stomach."
Idiom usage
Used as an object or attribute; used in writing.
It's hard for people to understand
use every means to have an innocent person pronounced guilty - shēn wén zhōu nà
see what one has never seen before - jiàn suǒ bù jiàn