"dose of one's own medicine" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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          "word": "taste of one's own medicine"
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          "ref": "2022 November 16, Christian Wolmar, “Can Merriman use his rail knowledge to make a difference?”, in RAIL, number 970, page 45:",
          "text": "It will be rather entertaining to watch Merriman when he first faces the Transport Select Committee, with his former colleagues likely to be merciless in their questioning. During his tenure, Merriman was pretty sharp, which was no bad thing, and they will make sure he gets a dose of his own medicine.",
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        "Alternative form of taste of one's own medicine"
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  "word": "dose of one's own medicine"
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  "lang_code": "en",
  "pos": "noun",
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          "word": "taste of one's own medicine"
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          "ref": "2022 November 16, Christian Wolmar, “Can Merriman use his rail knowledge to make a difference?”, in RAIL, number 970, page 45:",
          "text": "It will be rather entertaining to watch Merriman when he first faces the Transport Select Committee, with his former colleagues likely to be merciless in their questioning. During his tenure, Merriman was pretty sharp, which was no bad thing, and they will make sure he gets a dose of his own medicine.",
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        "Alternative form of taste of one's own medicine"
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  "word": "dose of one's own medicine"
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