Mujiu, a Chinese word, pronounced as kējiù, is generally used as a noun. The word mortar has three meanings. The first meaning refers to the door mortar, a mortar-shaped pit on an old door, which carries the rotating shaft. The second meaning is a metaphor for the old ready-made format, which is outdated. The third layer means hell and prison. The word comes from "Wake Up the World: A penny is unfair": "Let's start work together and knock on the hall, and the hall is moldy. After several times, each fan fell down. "

Words and sentences: The design style of the Summer Palace is really original and unconventional.

Excellent works of art are generally novel and unconventional.