Ups and downs: It is similar to the meaning of "ups and downs" (ups and downs). It is a metaphor for the ups and downs of things, which means ups and downs here.
2. By describing autumn scenery in Changsha and recalling his revolutionary struggle life in his youth, this word puts forward the question of "Who is in charge of ups and downs", and expresses his optimism about the future of the Chinese nation and his great ambition to take what's going on in the world as his own responsibility.
The first half of the word focuses on scenery. "Independent cold autumn, Xiangjiang North, Orange Island." From the beginning, the author put himself in the broad background of autumn water and sky. At the same time, it also brings readers into a lofty realm of late autumn. Looking from a distance: "The mountains are all red and the forests are all dyed." The author not only saw the maple forest in Yuelu Mountain in front of him, but also thought of the yellow cottonwood in Xiangshan Mountain, Beijing, and countless mountains in the motherland that turned from green to red, such as tallow, Metasequoia glyptostroboides, maple, oak, pistachio, etc ... The heavy mountains and layers of trees made the god of nature touch the crayons and smudge a purple color, which was even more beautiful than the spring flowers that opened in February. Close-up: "The river is overflowing, and a hundred people are fighting for it." Autumn water is clear, Jiang Bibo is in autumn, and the Xiangjiang River at the foot is more crystal clear in autumn, such as green jade and transparent crystal. On the river, Qian Fan is fighting for hair and crossing, silent and full of vitality. Looking up, "the eagle hits the sky", the cloudless autumn sky in Wan Li, and the eagle is brave and strong, flying freely. Looking from afar, "the fish is fragrant and shallow", because of the transparency and shallow bottom of the river, the fish swing their fins and swim at will.
4.
Turning point, connecting the preceding with the following! _ _ _ _ I took a hundred couples to travel and recall the eventful years in the past. _ _ The author thinks of those years walking and swimming with classmates and friends in Orange Island, recalling the unforgettable eventful years. And the previous sigh "I asked the boundless earth, who is in charge of ups and downs" directly shifted from describing the scenery to expressing feelings.
The first half is mainly about scenery, and the second half is mainly about lyricism, so that we can enjoy the artistic enjoyment of magnificent autumn scenery and draw confidence and strength from the poet's passionate revolutionary feelings.
"Zeng" and "Yi" are the key words connecting the preceding with the following.