They had walked through the festival area and the street ahead of them turned abruptly dark.

It is a wonderful flight, until the sky turns dark and everything gets cold.

She doesn't cry now, but her face turns dark and set.

Perhaps it was just how the human heart could turn so dark and cold after a bitter disappointment.

She went red, then white, and her eyes turned dark with anger.

Just then, the sky turned dark and a storm broke out.

They had turned dark and almost purple from lack of blood circulation.

They turn dark and fall after the first severe frost.

The boy's face turned dark and hard, but he didn't say anything.

This face turned dark with color, then drained completely of blood.