In addition, for example, the idiom "step by step" means that when writing an article, the structure is properly arranged and the words and sentences are in line with the norms; "A thousand miles long" refers to a painting or a poem, which is short in length, but extremely rich in content and far-reaching in artistic conception; "Holding clouds to hold the moon" originally refers to a technique of rendering clouds to set off the moon when painting, and later refers to a technique of expressing the theme or theme through shading or profile description when painting or writing. "Suburban thinness" is a generalization of a certain artistic conception and style of poetry. "Parallel four wives and six wives" refers to the double parallelism of four-character or six-character sentences in parallel prose that prevailed in the Six Dynasties. "One word and one bead" is a metaphor for the clarity, tactfulness and roundness of singing and the essence of poetry writing. "Luan Pu Feng Bo" describes the brushwork of calligraphy. "The sword goes sideways" and "cut to the chase" describe the vigorous and powerful calligraphy with profound skill. The idioms "wear out the inkstone" and "keep waving" describe the efforts and perseverance in practicing calligraphy. "Iron flower and silver hook" describes vigorous calligraphy. Idioms such as "Dragon Leaping Tiger", "Dragon Dancing Phoenix", "Dragonfly Snake" and "Beauty Dancing Flowers" are all used to describe the beauty and vividness of calligraphy. As for the idiom "spring insects and autumn snakes", it is a metaphor for poor calligraphy. Idioms like this are really endless.