In autumn, things are pulled here and folded here. What kind of mood is it when a cool breeze comes to your door at first, then frost at first, then cold, and finally cold?

In autumn, things are pulled over and gathered here. At first, the door was cold, the second time, the first frost was white, and the third time, it was chilly. Beyond the twenty-four solar terms. This is an explanation of the solar terms in beginning of autumn. After beginning of autumn, people will feel cool when it is windy. The wind at this time is different from the hot air in summer. Then there will be fog on the earth in the morning; And cicadas who feel gloomy and sing in autumn also begin to sing. The mood reflected is that the autumn wind is cool, and the coolness makes people feel comfortable. At the same time, it is accompanied by the chirping of cicadas, which makes people feel a little sad.