How to explain incisiveness?

The ingenious description of calligraphy is very powerful. Nowadays, the problem of metaphor analysis is very profound. \x0d\ Wang Xizhi, a famous calligrapher in the Eastern Jin Dynasty, began to practice calligraphy at the age of 7. He practices calligraphy very hard. He often practices calligraphy by the pool, and the pool is dyed black. At the age of 33, he wrote Preface to Lanting Collection, and at the age of 37, he wrote Huang Tingjing. Later, due to the replacement of the writing board, the craftsman found that Wang Xizhi's brushwork was very strong, and the handwriting had penetrated into the board for three minutes. Later, it was used to describe the vigorous brushwork of calligraphy, and also to describe the profound and accurate opinions and arguments. The language book "The Clans of the Shuo Family" Volume 87 quoted Zhang Huai in the Tang Dynasty _ Wang Xizhi at the end of the book: "Wang Xizhi's book is willing to be published, and the work is cut, and the pen is three points." \x0d\ Source: Zhang Huai _ Shu Duan Zi Wang Xizhi in Tang Dynasty: "When the Jin Emperor offered sacrifices to the northern suburbs, he wished more editions, tailored them and wrote incisively." \x0d\ Interpretation: According to legend, Wang Xizhi wrote on the board, and when the carpenter carved it, he found that three points of the handwriting penetrated into the board (three points equals 1 cm). Describe that calligraphy is very powerful. Nowadays, the problem of metaphor analysis is very profound. \x0d\ Example: Yi's "Yang Xueshan returned from Changyuan, showing his affection with insufficient admiration": "Poetry is sharp and colorful." \x0d\◎ Lu Xun not only "brilliantly" exposed the poison of the old "children's books" to children, but also made contributions to "getting rid of the poison bait that poisoned children", and also put forward many incisive opinions on the creation of new children's books; At the same time, he also personally collected children's songs and translated excellent foreign children's literature and science novels. \x0d\◎ In order to make Sun Kai gallop in the business world, his wife lied that his boss invited him to dinner, dance and send flowers, which can quite vividly show the ambivalent mentality that Sun Kai is facing.