Hello, would you like to ask what are the characteristics of calligraphy works that are difficult for young people to learn but difficult for old people to learn? The characteristic of calligraphy works is that it pays attention to the characteristics of silkworm head and wild goose tail, twists and turns. This is because analysis of calligraphy works shows that the fonts in the combined pictures are mostly wide and flat, with long horizontal strokes and short vertical strokes. Paying attention to the characteristics of silkworm head and wild goose tail, twists and turns, the sentence "It is easy for a young man to learn but it is difficult for him to succeed" means: the days of youth are very easy to pass away, but it is difficult to achieve success in learning, so every inch of time must be cherished and not easily let go.