Astronomers come in, Taibai is retrograde. What does it mean to violate the distinction between ancient cattle and fighting?

Taibai is Venus. Cows and barrels are stars, equivalent to the current constellation. Because of the rotation of the earth. All the stars rise and fall like the sun and "run" from east to west. However, due to its own revolution, the planet sometimes seems to us to run from west to east. This is called "retrograde". Retrograde of planets was considered as a "fierce" astronomical phenomenon in ancient times. For example, "Mars stays in Antares" before Qin Shihuang's death is the retrograde phenomenon of Mars in his heart. The phenomenon you are talking about is that Venus is retrograde between bulls.