Wang Sun, a China word. Interpretation: descendants of the prince; Generally refers to the descendants of nobles, and was also used as a title of respect for ordinary young men in ancient times; Hermit; Friends; Used as a courtesy title for people in the old days; A doctor in the Western Han Dynasty was named Wang Sun. There is no need to spell the meaning of a word, no need. Basically, the tone of rhetorical questions means no need, and "why?" It means the same thing.

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In this way, Wang Sun and Cao are linked together, and the images they represent are also very rich. "Grandson" can refer to a friend or himself. The general catalogue of sikuquanshu (volume 147) says: "Prosperity is a word highly praised by the ancients." "Prince and grandson" refers to princes and nobles handed down from generation to generation, which has evolved into "words of mutual respect and love" between people, thus expanding its connotation. A lot. So "Wang Sun" should have different meanings according to poems. The "Wang Sun" in Wei Zhuang's Spring Day refers to himself. "Looking at the sun" in "Farewell to the Mountain" should be a friend who has just been sent out. "Wang Sun" should be a person who loves scenery as much as the author.