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how should I know?

This page is about the conversational phrase how should I know?.

Meaning: You can say this if you're annoyed because you've been asked a question you couldn't possibly know the answer to.

For example:

  • "Where did your brother go?"
    "How should I know? I'm not his guardian!"

  • "Can you take alcohol into Malaysia?"
    "How should I know? I've never even been there!"

Quick Quiz:

I said, "Why isn't Lee here?" and Ken said, "How should I know?" Ken was

a. pleased I'd asked him

b. surprised I'd asked him

c. sorry that he don't know

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Contributor: Matt Errey