English

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Verb

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know about (third-person singular simple present knows about, present participle knowing about, simple past knew about, past participle known about)

  1. Used other than figuratively or idiomatically: see know,‎ about.
  2. (informal, usually negative) To have positive inclinations regarding (someone or something); to have no doubts regarding (someone or something).
    I don't know about him.
    You never know about that family.