Xiaoyao You is a classic famous sentence in the ancient Chinese novel "Zhuangzi". There are some special sentence structures and word classes that are used flexibly. Chuang Tzu was walking on a stream in the south, and all the fish were swimming freely. Here,"walking on the south stream" was the verb,"wandering freely" was an adjective used to modify the verb "walking", indicating that Zhuangzi was wandering freely on the water. 2 Noun (pronoun) used as a number: Zhuangzi is free and unfettered. Here, the word "free and unfettered forever" is a pronoun. It is used as a number to indicate that Chuang Tzu will be free and unfettered forever and never die. 3. The adverb of adjectives is used as adverbials: Zhuangzi is free and unfettered in the world. The adjective "carefree" was used as an adverb to modify "carefree". 4. The causative usage of the verb: Zhuangzi wandered freely among the princes. Here,"Xiaoyao You" was a verb's usage."Shi" here meant "in a way" or "to let go of freedom".