If i'm not mistaken meaning in English

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Definition

if I'm not mistaken...: if I'm correct..., if I'm not wrong... idiom
If I'm not mistaken, you're Polly Watson. I think I'm correct, aren't I?
You must be mistaken: I think you must be confused, I think you have made a mistake idiom

Examples

  • "Polly : I don't listen to the radio, so I think you must be mistaken."
  • ""Delavigne", that's a French name if I'm not mistaken, and luxury products and France don't exactly go hand in hand."
  • "Moira : For that we go to Radio Rhubarb traffic correspondent, Ray Upton, who joins us from Miami if I'm not mistaken."
  • "He said "within 48 hours", if I'm not mistaken."
  • "Delavigne fragrance - this is "TigerLily" if I'm not mistaken!"
Exercise 1
Polly says that Michael Jackson (RIP) "must be mistaken" because:

Polly says that Michael Jackson (RIP) "must be mistaken" because:
This is not the reason that Polly say that Horatio is mistaken. At the end of the dialogue, Polly accuses Philip and Horatio of acting as if they were small children.
Polly tells Michael Jackson (Horatio): "I don't listen to the radio, so I think you must be mistaken."
Polly never tells Horatio that she doesn't know anyone named Michael Jackson, only that she "doesn't listen to the radio".
Polly never tells Horatio that she doesn't own a radio, only that she "doesn't listen to the radio". "To own (a car)" is to possess or have a car.

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