"あろうことか" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "あろう",
        "2": "",
        "3": "事",
        "4": "こと",
        "5": "か",
        "linkto1": "ある",
        "pos1": "volitional",
        "pos3": "interrogative particle",
        "t1": "to happen",
        "t2": "thing"
      },
      "expansion": "あろう (arō, “to happen”, volitional) + 事(こと) (koto, “thing”) + か (ka, interrogative particle)",
      "name": "ja-compound"
    }
  ],
  "etymology_text": "あろう (arō, “to happen”, volitional) + 事(こと) (koto, “thing”) + か (ka, interrogative particle), lit., \"Is this thing supposed to happen?\"",
  "forms": [
    {
      "form": "arō koto ka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "adv",
        "2": "あろう こと か"
      },
      "expansion": "あろうことか • (arō koto ka)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "adv",
  "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 alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "It's terrible; he deceived the one who once saved his life.",
          "roman": "arō koto ka, daion aru hito o damashite shimatta",
          "ruby": [
            [
              "有",
              "あ"
            ],
            [
              "事",
              "こと"
            ],
            [
              "大",
              "だい"
            ],
            [
              "恩",
              "おん"
            ],
            [
              "人",
              "ひと"
            ]
          ],
          "text": "有ろう事か、大恩ある人をだましてしまった",
          "type": "example"
        }
      ],
      "glosses": [
        "very astonishing and appalling"
      ],
      "id": "en-あろうことか-ja-adv-oni8toEu",
      "links": [
        [
          "astonishing",
          "astonishing"
        ],
        [
          "appalling",
          "appalling"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[a̠ɾo̞ː ko̞to̞ ka̠]"
    }
  ],
  "word": "あろうことか"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "あろう",
        "2": "",
        "3": "事",
        "4": "こと",
        "5": "か",
        "linkto1": "ある",
        "pos1": "volitional",
        "pos3": "interrogative particle",
        "t1": "to happen",
        "t2": "thing"
      },
      "expansion": "あろう (arō, “to happen”, volitional) + 事(こと) (koto, “thing”) + か (ka, interrogative particle)",
      "name": "ja-compound"
    }
  ],
  "etymology_text": "あろう (arō, “to happen”, volitional) + 事(こと) (koto, “thing”) + か (ka, interrogative particle), lit., \"Is this thing supposed to happen?\"",
  "forms": [
    {
      "form": "arō koto ka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "adv",
        "2": "あろう こと か"
      },
      "expansion": "あろうことか • (arō koto ka)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Japanese adverbs",
        "Japanese compound terms",
        "Japanese entries with incorrect language header",
        "Japanese hiragana",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation missing pitch accent",
        "Japanese terms with redundant sortkeys",
        "Japanese terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "It's terrible; he deceived the one who once saved his life.",
          "roman": "arō koto ka, daion aru hito o damashite shimatta",
          "ruby": [
            [
              "有",
              "あ"
            ],
            [
              "事",
              "こと"
            ],
            [
              "大",
              "だい"
            ],
            [
              "恩",
              "おん"
            ],
            [
              "人",
              "ひと"
            ]
          ],
          "text": "有ろう事か、大恩ある人をだましてしまった",
          "type": "example"
        }
      ],
      "glosses": [
        "very astonishing and appalling"
      ],
      "links": [
        [
          "astonishing",
          "astonishing"
        ],
        [
          "appalling",
          "appalling"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[a̠ɾo̞ː ko̞to̞ ka̠]"
    }
  ],
  "word": "あろうことか"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "あろうことか"
  ],
  "section": "Japanese",
  "subsection": "adverb",
  "title": "あろうことか",
  "trace": ""
}