The following is a complete collection of four-word idioms describing autumn: 1. Golden wind: It described the pleasant weather conditions and scenery in autumn, which made people feel comfortable. 2. Clear and refreshing autumn: It is used to describe the clear sky, fresh air, and pleasant temperature in autumn, which is beneficial to one's health. 3. Fruitful: It refers to the bumper harvest of crops in autumn. 4. Maple Leaf Loyal Heart: It is used to describe the red maple leaves in autumn, which are as bright as the heart and give people a warm feeling. 5. The autumn wind is bleak. It is used to describe the strong wind in autumn. The leaves turn yellow and wither, giving people a desolate feeling. 6. Frost has arrived: It refers to the gradual drop in temperature in autumn, and the condensation of dew gives people a cold feeling. Autumn: The breath of autumn makes people feel a faint chill that makes people shiver. 8. Falling Dead Leaves: It described the autumn scenery. The falling dead leaves gave people a bleak feeling. 9 Harvest season: It described the joy of the harvest of agricultural production in autumn. Autumn wind rustled: It described the extremely strong wind in autumn, giving people a desolate feeling.