Remember Xin Qiji's Qing Ping Le-Village Residence? The last sentence is "I like children playing hooligans and peeling lotus flowers on the head of the stream." "Rogue" is definitely a derogatory term, even in the Song Dynasty. Originally, I wanted to express the author's happy mood by writing about the rogue of children. Why did Xin Jiaxuan use derogatory terms? This is a rhetorical device of irony. What we usually contact is irony. This "rogue" is a pleasant irony, that is, he used derogatory terms when he was obviously bragging. In a specific language environment, "villain" and "enemy" may both belong to this category.