What do you mean, "When Hou Hongyan comes, the mysterious bird returns, and after three passes, the bird is ashamed"? !

It means that migratory birds such as Hongyan and Swallow fly south to avoid the cold, and other hundred birds begin to store dried fruit food for the winter.

In ancient China, the Millennium was divided into three stages: "When Hongyan came; Second, wait for the mysterious bird to return; Three waiting birds raise shame. " It is said that this solar term is the time when migratory birds such as geese and swallows fly south to avoid the cold, and hundreds of birds begin to store dried fruits for the winter. It can be seen that the Millennium is actually a symbol of cold weather. ?

Extended data:

Hongyan lai: Hongyan is small, from north to south, not a southern township, nor its home. For details, please refer to the rain festival (three rains: "First-class Rex sacrifices fish; Second, wait for Hongyan to come; Third-class grass sprouts ").

The return of the mysterious bird: "Twenty-four solar terms": "The mysterious bird knows the vernal equinox (at the beginning of the vernal equinox, the mysterious bird arrives; At this time, Yan came from the north and moved to the south. Yan is a bird in the south, so he came back. ?

A flock of birds breeds shame: three or more animals are a flock, and there are many people who live in groups. Note in the Book of Rites: "Those who are ashamed will eat soup." Those who mention shame hide it and wait for the winter moon. Shame is the original word of shame. In ancient times, "shame" and "shame" were universal. Raising shame is a Chinese word, and the pinyin y m ng xi refers to the stored food "Zhou Shu Shi Xun": "On the day of the Millennium, the geese come, on the fifth day, the birds return, on the fifth day, raising shame. You Zhu once explained: "Those who are honest and ashamed hoard winter food, as if they are hiding precious shame. "

References:

Baidu encyclopedia-white deer