2. Xu Hun, one of the most influential poets in the late Tang Dynasty, likes to write poems describing scenery, because I am very similar to Du Fu, because of his integrity and mastery of the laws of poetry. Later generations commented on him and Du Fu as "Xu Hun's thousand poems, and Du Fu was worried all his life."
3. Xu Hun is a descendant of Xu Shiyu, the prime minister of Wu Zetian. During the period of Tang Wenzong, Jinshi began to take up official career and served as a prison. Because he likes to write landscapes, he is called "Xu Hun's thousand poems are wet".
Xu Hun pursues a carefree life, far away from social reality. Therefore, in his poems, he often sings epic poems and landscape poems. He will lament the past and present, his mood tends to be depressed, his writing has a gloomy feeling, and he likes to describe the lonely scenery.
5. The East Building of Xianyang City was the time when he was the censor. When he went to Gu Lou in Xianyang to enjoy the scenery in autumn night, he saw the sun setting and dark clouds rolling. With the invasion of the cool breeze, he felt it, and he created "Climbing a tall building, Wan Li is sad, and the future is like Tingzhou. When the cloud begins to sink, the rain will cast a shadow in front of it.
6. At sunset, the scene of heaven and earth suddenly changed, dark clouds enveloped the city, and the cold wind suddenly started. The poet grasped the process of this change and summed it up in seven words, which is very implicit, that is, writing about natural scenery and writing about the changes of his mood in the face of changing scenery. I don't know whether to continue to wait and see or head-on.
7. Later generations often refer to "the coming events cast their shadows before them" to indicate the signs and atmosphere before the situation will undergo major changes, and also to indicate the tense atmosphere before the conflict or war.