Cicadas only live in summer, and when the weather is cold in autumn, cicadas will not be far away. At this time, the cicada's cry is deep and sad, which makes people feel sad, so it is often used to create a sad atmosphere and express parting and sadness. "Cold cicadas are sad, the pavilion is late, and the shower begins to rest." Here, chilling is connected with the pavilion to increase the sense of sadness and express reluctance.