Hanzi
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wú无yī一bù不zhī知

To know everything; to be omniscient; to possess extensive knowledge.

他涉猎广泛，对各种学科都无一不知，是大家公认的知识渊博者
He has a wide range of interests and seems to know everything about various subjects, recognized by all as a person of vast knowledge.

Era:

Ancient

Frequency:

Synonym:

无所不知

Antonym:

胸无点墨

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