What is the characteristic of cooperative barking in dogs, cats and mice?

Hate Dog, Cat and Mouse is an essay written by modern writer Lu Xun on February 26th, 20021,1926. In this essay, dogs, cats and mice are barking when they cooperate with each other, which is sympathy for the weak and hatred for the oppressor, and also shows the author's profound cultural background. In this paper, irony and melody are used, animals are used to describe people, and arguments are used as clues to describe and discuss, which has profound implications.