Sky turns gray.
Meaning: This means that the sky, the area of the atmosphere that is visible from the surface of the earth, has changed to a neutral color, between black and white.
Choice of Words: Sky is the region of the atmosphere that is visible from the surface of the earth. Turns is a verb that means to change or become something else. Gray is an adjective that describes something that is a neutral color, between black and white.
Alternative Expressions
Related Expressions