"that's news to me" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "that's news to me",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Indicating that one has heard something for the first time or has heard something one did not previously know."
      ],
      "id": "en-that's_news_to_me-en-phrase-LmvnTYmH",
      "raw_glosses": [
        "(informal) Indicating that one has heard something for the first time or has heard something one did not previously know."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "that's news to me"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "that's news to me",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Indicating that one has heard something for the first time or has heard something one did not previously know."
      ],
      "raw_glosses": [
        "(informal) Indicating that one has heard something for the first time or has heard something one did not previously know."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "that's news to me"
}