to know someone from Eve
- idiom
- UK
- I can't recommend him; I don't know him from Eve.
Examples
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She walked into the meeting and realized she didn't know anyone from Eve.
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I don't know someone from Eve!
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We talked for hours, but before tonight, I didn't know her from Eve.
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Why would I know someone from Eve?
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I don't know her from Eve, so I can't trust her advice.
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He acts like he knows me, but honestly, he doesn't know me from Eve.
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When she walked in, I realized I didn't know him from Eve.
Synonyms
To have no idea who a person is at all
To not recognize someone at all because you have never met them
How Familiar
- UK
Surface Forms
Morphology
The idiomatic sense 'to have no familiarity with someone' cannot be derived from the literal parts: a B1 learner would read 'from Eve' as indicating origin or relation to a person named Eve, not as meaning 'not at all'. This phrase is an idiomatic/archaic construction (related to 'not know someone from Adam') and so its intended meaning is unpredictable from the constituents.
Etymology
Know someone from Eve may come from the Bible story of the first people, Adam and Eve. Saying you 'don't know someone from Eve' makes the person seem as unknown as those first people, so it means 'to not know someone at all'.