"no skin off one's back" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun",
        "head": "no skin off one's back"
      },
      "expansion": "no skin off one's back",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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      ],
      "examples": [
        {
          "text": "If he wants to make a mess in his own room, it's no skin off my back."
        }
      ],
      "glosses": [
        "No harm to one."
      ],
      "id": "en-no_skin_off_one's_back-en-noun-C3ZumDeA",
      "raw_glosses": [
        "(idiomatic) No harm to one."
      ],
      "synonyms": [
        {
          "word": "no skin off one's nose"
        },
        {
          "word": "no skin off one's teeth"
        }
      ],
      "tags": [
        "idiomatic"
      ],
      "translations": [
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "Translations",
          "word": "con su pan se lo coma"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-no skin off one's back.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0e/En-au-no_skin_off_one%27s_back.ogg/En-au-no_skin_off_one%27s_back.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/0/0e/En-au-no_skin_off_one%27s_back.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "no skin off one's back"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun",
        "head": "no skin off one's back"
      },
      "expansion": "no skin off one's back",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
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        "English terms with non-redundant non-automated sortkeys",
        "Translation table header lacks gloss"
      ],
      "examples": [
        {
          "text": "If he wants to make a mess in his own room, it's no skin off my back."
        }
      ],
      "glosses": [
        "No harm to one."
      ],
      "raw_glosses": [
        "(idiomatic) No harm to one."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
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      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0e/En-au-no_skin_off_one%27s_back.ogg/En-au-no_skin_off_one%27s_back.ogg.mp3",
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      "tags": [
        "Australia"
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      "text": "Audio (AU)"
    }
  ],
  "synonyms": [
    {
      "word": "no skin off one's nose"
    },
    {
      "word": "no skin off one's teeth"
    }
  ],
  "translations": [
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "Translations",
      "word": "con su pan se lo coma"
    }
  ],
  "word": "no skin off one's back"
}