Source: "Easy to square and round, fluttering like a fairy." -Song: York's "Ouyang Wenzhong sent the second post memorial tablet"
Interpretation: There is a circle in the font box in Ouyang Wenzhong's post, which gives people a light and elegant feeling.
The pronoun of "Fei Xian" is Chā o fá n tu not sú.
Interpretation: it means to surpass ordinary people and get rid of ordinary people. Taoist term refers to being different from others and getting rid of the worldly elegance.
Source: Zheng Wenshi's Tales: "Naturally, it appears in the eight-part essay notes of sparse books, giving people an extraordinary enjoyment of beauty."