What is the sketch style in Zhang Yimou's movies?

The character movie "Something to Say" is called "Sketch Style".

There is something to say, which was released on 1997, is an urban drama comedy directed by Zhang Yimou. The story happened in Beijing in the 1980s and 1990s. Different levels of ideology collide with each other, and intellectuals and ordinary people have ironic spiritual exchanges, which is a typical sketch film.

Zhang Yimou, 1950 was born in Xi, Shaanxi Province on April 2, 1950. He is a director, producer, screenwriter, actor and photographer in China, and is one of the representatives of the "fifth generation directors". In 978, Zhang Yimou was admitted to the Photography Department of Beijing Film Academy after resuming the college entrance examination. 1982 After graduating from university, he became a photographer and director of Guangxi Film Studio.