What is the overall content of Du Fu's poem Twenty Poems of Qinzhou?

Twenty Qin Zhou's Miscellaneous Poems (18)

Du Fu [Tang Dynasty]

The secluded land will be full of autumn, and the mountain guests have not returned. Clouds are intermittent, but the sky is not so bright.

Warning signals are often reported. Rumors are flying everywhere. Xirong nephew country ⑤, how can we win Tianwei ⑤.

(Chapter 18: Visiting Qin and worrying about Tubo. The last four notes are the bitter scenery of autumn, and the last four words are dangerous. In the Tibetan nephew country, it is useless to hide irony and kiss. The guest didn't return, but he felt sorry for himself. )

(1) Lu Ji's poem: "Plug Yun Qi to fly sand." Chen Houzhu's poem: "The clouds continue." (2) Cai Yiqu: "Worry is a shame for children." ③ Cao Zhi Yuefu: "There are many policemen in the border town." Biography of Jia Yi: "Scouts look at the phoenix." Wen Ying said: "There are bandits in the border areas, which are made of high mud paddles. On the paddle, it's an orange head with paid grass in it. It's always low. If there are bandits, it will be angry. Hold it up and tell each other, say "Feng". (4) Biography of the Ram: "Gossip. Shuowen: "Ba, with wooden slips as the book, is two feet long to enlist the army. "Wei Wu plaything" says: If you are in a hurry, you will insert a feather, which is called a feather state. Tang Shu: In the fourth year of Jinglong, he married Tubo under the official document of Jincheng. In the first year of Gan Yuan, Su Zong advised Princess Ningguo to return to Uighur. ⑤ Tubo Biography: In the tenth year of Kaiyuan, Zampa made peace, and the above table said, "My nephew is an old relative of the first emperor, long live. My nephew dare not break his oath. "Gu Ri Zhi Lu: The Tibetan language contained in Yuan Gui, a bookstore, all call themselves nephews and uncles. In the 21st year of Kaiyuan, according to the princess, the tree monument was built in Chiling, and in the 21st year of Kaiyuan of Wei Datang, I was in Renshen, and my uncle and nephew restored their old friendship and became a family. ⑥ Zuo Zhuan: Qi Hou said, "Tianwei does not violate Yan Zhichi."