1. 揭露：unmarry 离婚 | unmask 揭露 | unmatchable 不能匹敌的

2. unmask

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3. 脱去假面具：unmarriedspinsterhood 未婚 | unmask 脱去假面具 | unmatchable 无法对抗的

4.

4. 去屏蔽 无屏蔽：unmarriedprint 双片 | unmask 去屏蔽 无屏蔽 | unmaskedhearing 无掩蔽听力

1. 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.

    e.g. 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。
    e.g. He managed to pass top secret documents to East Berlin for many years before he was unmasked in 1974.
           在1974年被揭穿身份的数年里，他设法成功地把一些绝密文件交给了东柏林。

1. reveal the true nature of

    e.g. The journal article unmasked the corrupt politician

    Synonym: uncloak

2. take the mask off

    e.g. unmask the imposter