Which poem of Du Mu is usually used to lament that life is more attractive in old age than in youth?

The phrase that frosted autumn leaves are redder than February flowers comes from hiking, which means that maple leaves are brighter than February spring flowers after frosting.

Through this piece of red, the poet saw the vitality of autumn like spring, which made the autumn forest present a warm and vibrant scene. The fourth sentence is the center of the whole poem, written by the poet with strong colors and coherent brushwork.

Extended data:

Appreciation of works:

This poem depicts the scenery seen when traveling in the mountains in autumn and shows a touching autumn color map of the mountains. Mountain roads, people, white clouds and red leaves form a harmonious and unified picture, which shows the prosperity and lofty thoughts of Gao Huai in the author's works.

The author controls the scene with emotion, quickly and accurately captures the image that can reflect the natural beauty, and integrates his own emotions into it, so that the emotional beauty and the natural beauty are integrated and the scene is blended. The whole poem is novel in conception and exquisite in layout. It absorbs gorgeous autumn colors in the bleak autumn wind, competing with spring, pleasing to the eye and making people more energetic.