Find out the sentences describing hot weather directly and indirectly in Chapter 16 of Water Margin, and talk about its beauty from two aspects: language expressive force and plot advancement.

Sentence 1: "On a red day, there is not a cloud." How can porters travel in such weather without complaining? Beauty: Render the atmosphere and enhance the real feeling.

The second sentence: "When all the soldiers look at that day …", the weather is unbearable, and the healthy resentment, anger, disappointment and hatred of the soldiers are all presented. Beauty: Contrast psychology, form and spirit.

The Water Margin is a novel written by Shi Naian at the end of Yuan Dynasty and the beginning of Ming Dynasty (most of the existing publications are signed by Shi Naian and Luo Guanzhong).

By describing the grand story that Shui Bo, a Liangshan hero, resisted oppression, grew up to be accepted by the Song Dynasty, and finally perished after acceptance, the book artistically reflected the whole process of the Sung River Uprising in the history of China, profoundly revealed the social roots of the Uprising, enthusiastically praised the uprising hero's resistance struggle and social ideal, and specifically revealed the internal historical reasons for the failure of the Uprising.