Here are a few idioms that describe autumn: 1. Golden wind: refers to the clear autumn weather, fresh and cool air, and the scene of everything thriving. 2. Clear and crisp autumn weather: refers to the clear autumn weather, low temperature, fresh air, giving people a fresh and comfortable feeling. 3. Maple leaf, reed flower, autumn rustling: describe the autumn scenery. Maple leaves are red, reed flowers are white, and the scenery is pleasant. 4. Harvest season: Autumn is the harvest season for crops. People harvest all kinds of grain, fruits, vegetables, etc. The autumn wind is bleak: It is used to describe the autumn scenery. The wind is bleak, and the leaves turn yellow and wither. 6. White dew as frost: refers to the condensation of autumn dew into frost, the weather becomes cold, and everything gradually withers. 7. Withered vines, old trees, and dark crows: It described the feeling of tranquility and peace when the withered vines wrapped around the yellow crows on the old trees and flew over. Red, yellow, blue, and green: The colors of autumn, red, yellow, blue, and green, reflect each other and give people a beautiful feeling.