vt.& vi.(使)变红;
vi.(由于羞愧、愤怒、天气热等)脸变红;
例句:
When turning ripe, you must redden, for red is the true colour of life.
走向成熟, 就必须变红;红, 是生命的本色.
Humans redden when they are angry.
“人类愤怒时会脸红. ”
He was working himself up to a fury, his face reddening...
他勃然大怒,脸涨得通红。