"The girl blushed when a young man whistled as she walked by"
"her cheeks blushed in the cold winter air"
She blushed for her mistakes.
她因自己的错误而感到羞愧。
I blush for you.
我替你脸红。
You ought to blush at your conduct.
你应该为这种行为感到羞愧。
He blushed at their praises.
他因他们的夸奖而脸红。
She blushed at her words.
她因失言而脸红。
I blushed at my friend's bad manners and loud talk.
我为我朋友的不礼貌和高声说话而感到害臊。
He blushed at the thought of that.
一想起那件事,他就脸红。
She blushed with shame.
她因羞愧而脸红。