What is the idiom to draw a blind monk and write a library next to it?

There are not enough porridge. sīng du u sh m:o

[Interpretation] There are many monks, but less porridge is given to monks. Metaphor is that there are fewer things and more people, and the distribution is not enough.

[Language] Qing Zhou Sheng's "Biography of Awakening Marriage" 62: "The master's mat is something that can be seen. If another one hits the mat, there will be too much porridge, and Xianggong will not be enough to eat. "

[near meaning] people are overstaffed; Porridge is getting less and less;

[Structure] Combined type; As predicate, attribute and clause; derogatory sense

Porridge is rare.