What does it mean to be rich and tired in the eight characters?

The technical terms at that time probably gave you a vernacular. Wealth belongs to the Lord, and the Lord is yourself. You beat him (understood as fighting), the other side is weak, you beat him, and the money is yours. The other side has more power, which means more money. If you conquer him, you will consume a lot of energy yourself. It is also a loss to yourself. Too much money makes you tired.

I hope to adopt.