without any blemishes or imperfections; perfect
无瑕的,无斑点的;完美的
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his brown flawless skin .他光洁无瑕的棕色皮肤。
without any mistakes or shortcomings
完美无缺的;无懈可击的
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he greeted her in almost flawless English .他用一口几乎纯正的英语向她问候。
(of a person)lacking any faults or weaknesses of character
(人)性格完美无缺的。