Word forms: 3rd person singular present tense unmasks, present participle unmasking, past tense, past participle unmasked
VERB 揭露;揭发 If you unmask someone or something bad, you show or make known their true nature or character, when they had previously been thought to be good. 揭露;揭发
Mr Burkett has unmasked several hundred impostors.
伯克特先生已经揭穿了数百个冒名顶替者。
He managed to pass top secret documents to East Berlin for many years before he was unmasked in 1974. [VERB noun]