Word forms: 3rd person singular present tense reddens, present participle reddening, past tense, past participle reddened
VERB (常指因尴尬或愤怒)脸红 If someone reddens or their face reddens, their face turns pink or red, often because they are embarrassed or angry. (常指因尴尬或愤怒)脸红 [written]
He was working himself up to a fury, his face reddening. [VERB]