Summer is not over, and autumn appears at first sight. What do you mean?

Before the dog days of summer have passed, you can already see the traces of autumn.

Summer is not over yet. The first sight of the color of autumn means that you can already see the traces of autumn before the dog days of summer are over. Describe how time flies. Summer is not over yet, which means that the dog days of summer are not over yet. The first sight of autumn means that you can already see the traces of autumn.

Xiafu means dog days in summer, which can be said to be the hottest time of the year. Generally speaking, it is in the middle of two solar terms: midsummer and summer heat.