The whole sky was dyed blue. What does this sentence mean?

The meaning of coloring with dyes is vividly expressed by metaphor.

Dye:

Sound and form. From water, noise. Say from wood, from water, from nine. Got it.

Ancient dyes mostly came from plants, so they came from wood; Dye must be processed into liquid, so it comes from water; Dyeing must be repeated, so from nine. Original meaning: colored cloth, silk, etc.

Extended data:

Word meaning expansion:

Feel sick or get into bad habits or touch something: get sick. Infection. Infection. Pollution.

Number of strokes: 9; ? Radical: wood; ? Stroke order: horizontal grip, horizontal fold and vertical fold, horizontal grip.

Spotless: now used to describe quiet and pure. It is also described as clean and free from bad habits.

Most of them are used to describe people who are clean, honest and noble in character.

Idioms with dyed words:

Clean, exposed, muddy but not dyed, evil dust not dyed, rendering contrast, sighing and dyeing silk,

Maple forest dyed, dyed confused, dyed yellow, dyed deep into the bone marrow, dyed blue soap, dyed black soap, spotless, not dyed at all.

Reference: Baidu Encyclopedia-Dyeing