"あることないこと" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "ある",
        "3": "こと",
        "4": "ない",
        "5": "こと"
      },
      "expansion": "ある + こと + ない + こと",
      "name": "com"
    }
  ],
  "etymology_text": "Compound of ある + こと + ない + こと, literally \"things exist (and) things doesn't exist\"",
  "forms": [
    {
      "form": "arukoto-naikoto",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "phrase",
        "2": "あること-ないこと"
      },
      "expansion": "あることないこと • (arukoto-naikoto)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "incessantly speaking mixture of facts and fictions",
          "roman": "arukoto-naikoto o perapera shaberu",
          "text": "あることないことをぺらぺらしゃべる",
          "type": "example"
        }
      ],
      "glosses": [
        "mixture of fact and fiction; half-truth"
      ],
      "id": "en-あることないこと-ja-phrase-WLQd~nrp",
      "links": [
        [
          "mixture",
          "mixture"
        ],
        [
          "half-truth",
          "half-truth"
        ]
      ]
    }
  ],
  "word": "あることないこと"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "ある",
        "3": "こと",
        "4": "ない",
        "5": "こと"
      },
      "expansion": "ある + こと + ない + こと",
      "name": "com"
    }
  ],
  "etymology_text": "Compound of ある + こと + ない + こと, literally \"things exist (and) things doesn't exist\"",
  "forms": [
    {
      "form": "arukoto-naikoto",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "phrase",
        "2": "あること-ないこと"
      },
      "expansion": "あることないこと • (arukoto-naikoto)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Japanese compound terms",
        "Japanese entries with incorrect language header",
        "Japanese hiragana",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese phrases",
        "Japanese terms with redundant sortkeys",
        "Japanese terms with usage examples"
      ],
      "examples": [
        {
          "english": "incessantly speaking mixture of facts and fictions",
          "roman": "arukoto-naikoto o perapera shaberu",
          "text": "あることないことをぺらぺらしゃべる",
          "type": "example"
        }
      ],
      "glosses": [
        "mixture of fact and fiction; half-truth"
      ],
      "links": [
        [
          "mixture",
          "mixture"
        ],
        [
          "half-truth",
          "half-truth"
        ]
      ]
    }
  ],
  "word": "あることないこと"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "あることないこと"
  ],
  "section": "Japanese",
  "subsection": "phrase",
  "title": "あることないこと",
  "trace": ""
}