Kū shuǐshuǐ cǎo

Quick answer：

The phrase 'Kū shuǐshuǐ cǎo' is a poetic expression in Chinese, often associated with the aesthetic of 'withered mountains and clear waters,' which is a style of Chinese landscape painting that emphasizes simplicity and naturalness. This term can also refer to the style or the concept of depicting landscapes with a sense of desolation and tranquility.