What is the idiom of a seven-character, eight-character answer with two hands and two feet?

With the help of everyone/many people.

[Interpretation] Describe that there are too many people and the movements are chaotic.

[Source] Songshi Puji's "Five Lights will be Yuan" Volume 20: "There are too many cooks; Three heads and two sides; Listen without hearing; Out of sight; Bitter and bittersweet; Get together. " ?