What does fortune telling mean that the foundation is insufficient _ What does fortune telling mean that the foundation is unstable?

What do you mean, the foundation is too shallow

Insufficient precipitation. The foundation comes from the annals of the Three Kingdoms. Volume 28. Shu Wei. Deng Ai Chuan: But the new foundation is the national government, but there is no owner in it, and the foundation is too shallow, which shows that one's precipitation is not impetuous. It also refers to family background: this factory has a weak foundation and it is difficult to turn over funds.