Why is comedy called ten kinds of juggling?

Note: 1, shí yàng, miscellaneous, multiple, various, multiple patterns. 2, juggling, the art of rapping, physical skills and other categories.

Interpretation: Shi-like juggling is the old name for the art of singing, acrobatics and other skills. Shi-like juggling, commonly known as "stuff", "play play". Comedy was born in the old Beijing Tianqiao, belonging to the street children put down the art of selling a comprehensive art, Tianqiao is a traditional juggling artists gathered in the place, the comedy is categorized as "Shi-like juggling".