英语词汇“知之为知之, 不知为不知, 是知也”的读音、翻译、释义、用法及例句-sap

词汇	知之为知之, 不知为不知, 是知也
释义	知之为知之, 不知为不知, 是知也 To say you know when you know, and to say you do not when you do not, that is knowledge.
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