Mixed together, "mixed" is a polyphonic word with three and four tones. The third tone refers to the fact that the protagonist's life in the whole story is chaotic, and his emotional judgments about different people are also chaotic. It gradually becomes clear with each incident he experiences; the fourth tone tells that in the tide of no faith, life follows the inertia, just like dawdling, and the protagonist is trying to recognize himself and get rid of the dawdling...