What do you mean surprised?

Surprise means: it is the third of the 24 solar terms. Speaking of earthquakes, the sun's spirit rises, the temperature warms up, the spring thunder suddenly moves, the rain increases, and everything is full of vitality. In the twenty-four solar terms, the fright reflects the phenomenon that natural creatures germinate and grow under the influence of rhythm changes, and it is the reflection of ancient farming culture on natural festivals.

The symbolic feature of the shocking solar terms is that spring thunder suddenly moves and everything is full of vitality. Judging from the natural phenology and climate process in various parts of China, "the beginning of thunder" only coincides with the natural rhythm in some parts of southern China.

Extended data:

"Twenty-four solar terms" is the product of ancient farming civilization, and farming production is closely related to the rhythm of nature. It is a knowledge system formed by ancient ancestors following the farming season, observing the movement of celestial bodies and understanding the changing laws of seasons, climate and phenology throughout the year.

Initially determined by the bucket handle rotation direction of the Big Dipper, the Big Dipper rotates circularly, which is closely related to the 24 solar terms. "Twenty-four solar terms" reflect the annual apparent motion of the sun, so the date of "Twenty-four solar terms" in the Gregorian calendar is relatively fixed, with a difference of 1-2 days. The solar terms divided by the method of "fixing qi" began in the beginning of spring and ended in the great cold.