expression, ichidan verb
blush; have flushed cheeks
Describes the action of one's cheeks becoming red, often due to emotion, embarrassment, or physical exertion. The expression is somewhat literary or descriptive.
彼女は恥ずかしさで頬を紅潮させた。
She blushed with embarrassment.
寒い外から部屋に入
Coming in from the cold outside, he flushed his cheeks.