What does the eight-character term Wang Si mean?

What do you mean by "the four seasons of prosperity"? If so, the explanation is as follows:

The first month is the month of construction of Yin, followed by Yin. It was built in February, using Maomuwang, followed by Yin Mu. In February, the wood is flourishing, fire is the phase, and the rest of the gold, fire and earth are prisoners.

March is the month when the earth is thriving, followed by the ugly earth. The earth is rich in gold, and gold is the phase. Although the phase is not prosperous, there is still more gas. The rest were released from prison;

April is the construction month, followed by the fire at noon. It was built in the afternoon of May, and the fire was strong in the afternoon, followed by the second fire, and the fire was strong in April and May, and the rest of the soil was imprisoned.

June is not built for the month, it is not prosperous, followed by Chen Xu, where gold was born. Although the fire is weak, it is still alive, and the rest are out of prison.

In July, I applied for monthly construction, followed by Shen and You Jin. August is a month, followed by Jin Shen. In July and August, Jin Wang, Jin Shengshui and Shuizhengxiang, and the rest were retired prisoners;

September, the moon is made, the soil is prosperous, and the ugliness follows. Native gold, gold is the phase, and the rest are released from prison.

In October, the sea was built as the moon, followed by Wanghai and Zishui. 1 1 month, the top of the month is flourishing, followed by Haishui. In October and November, the water was flourishing, aquatic wood and Mu Wei were in phase, and the rest were released from prison.

In December, ugly builds the moon, ugly flourishes, followed by prosperous land, gold is born in the ground, and gold is the phase. Although the water is falling, there is still residual gas, and the rest is for trial use.