impostor

impostor
(亦作 imposter)
noun
  1. a person who pretends to be someone else in order to deceive others, especially for fraudulent gain
    (尤指为骗取收益而)冒名顶替的骗子
语源
  1. late 16th cent. (in early use spelled imposture, and sometimes confused with imposture in meaning): from French imposteur, from late Latin impostor, contraction of impositor, from Latin imponere (see impose)
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