Walking snake worm
Walking snake vermis, pronounced h á NGH á ngsh é y ǐ n, is an idiom, which means that the font is hard to recognize because it is coiled like a snake vermis.
Source: biography of Wang Xizhi in the book of Jin: "walking is like a spring worm, and words are like a snake in autumn." Song Liden's "wild farmer ballad" poem: "the word of walking snake and vermis continues, the wild farmer does not know why to read it?"
Walking snake worm
strengthen the defences and clear the fields - jiān bì qīng yiě