what does one know

idiom
Updated on: 15 Nov 2017

Definition of what does one know

informal
used to say that someone is wrong about something
  • "She thinks I should take the job." "What does she know? You should do what you want."

Word by Word Definitions

what play
  1. used as an interrogative expressing inquiry about the identity, nature, or value of an object or matter

  2. often used to ask for repetition of an utterance or part of an utterance not properly heard or understood

  3. : who

  1. : why

  2. : in what respect : how

  1. used as an interrogative expressing inquiry about the identity, nature, or value of a person, object, or matter

  2. : how remarkable or striking for good or bad qualities

  3. : whatever

does
  1. : present tense third-person singular of do

  2. : plural of doe

know play
  1. : to perceive directly : have direct cognition of

  2. : to have understanding of

  3. : to recognize the nature of : discern

  1. : knowledge


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