CEDICT
to blush; to become bashful, embarrassed or ashamed
Wiktionary
受事物刺激而臉色發紅。
重編國語辭典
受事物刺激而臉色發紅
維基詞典
You are blushing.
You're turning red.
Source: Tatoeba
Her face turned red.
Tom blushed.
The man blushed.
Shame on you guys.
classifiers: 張, 個