"heaven knows" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase",
        "head": "heaven knows"
      },
      "expansion": "heaven knows",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "God knows"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              138,
              150
            ]
          ],
          "ref": "1888, Rudyard Kipling, “The Phantom Rickshaw”, in The Phantom 'Rickshaw and Other Tales, Allahabad: A.H. Wheeler and Co., page 10:",
          "text": "Be content with the knowledge that, ere the voyage had ended, both she and I were desperately and unreasoningly in love with one another. Heaven knows that I can make the admission now without one particle of vanity.",
          "type": "quote"
        },
        {
          "bold_text_offsets": [
            [
              84,
              96
            ]
          ],
          "ref": "1934, Cole Porter, “Anything Goes”:",
          "text": "In olden days, a glimpse of stockings / Was looked on as something shocking; / Now, heaven knows, / Anything goes.",
          "type": "quote"
        },
        {
          "bold_text_offsets": [
            [
              4,
              16
            ]
          ],
          "ref": "1969, “Heaven Knows I'm Missing Him Now”, performed by Sandie Shaw:",
          "text": "And heaven knows I really miss him more / Than anyone I really loved before / And I know, I'm so lost without his heart",
          "type": "quote"
        },
        {
          "bold_text_offsets": [
            [
              48,
              60
            ],
            [
              134,
              146
            ]
          ],
          "ref": "1984, Morrissey & Johnny Marr, “Heaven Knows I’m Miserable Now”, in Hatful of Hollow, performed by The Smiths:",
          "text": "I was happy in the haze of a drunken hour / But heaven knows I'm miserable now / I was looking for a job and then I found a job / And heaven knows I'm miserable now",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of God knows"
      ],
      "id": "en-heaven_knows-en-phrase-ej5OH1xU",
      "links": [
        [
          "God knows",
          "God knows#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "heaven knows"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase",
        "head": "heaven knows"
      },
      "expansion": "heaven knows",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "God knows"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrases",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              138,
              150
            ]
          ],
          "ref": "1888, Rudyard Kipling, “The Phantom Rickshaw”, in The Phantom 'Rickshaw and Other Tales, Allahabad: A.H. Wheeler and Co., page 10:",
          "text": "Be content with the knowledge that, ere the voyage had ended, both she and I were desperately and unreasoningly in love with one another. Heaven knows that I can make the admission now without one particle of vanity.",
          "type": "quote"
        },
        {
          "bold_text_offsets": [
            [
              84,
              96
            ]
          ],
          "ref": "1934, Cole Porter, “Anything Goes”:",
          "text": "In olden days, a glimpse of stockings / Was looked on as something shocking; / Now, heaven knows, / Anything goes.",
          "type": "quote"
        },
        {
          "bold_text_offsets": [
            [
              4,
              16
            ]
          ],
          "ref": "1969, “Heaven Knows I'm Missing Him Now”, performed by Sandie Shaw:",
          "text": "And heaven knows I really miss him more / Than anyone I really loved before / And I know, I'm so lost without his heart",
          "type": "quote"
        },
        {
          "bold_text_offsets": [
            [
              48,
              60
            ],
            [
              134,
              146
            ]
          ],
          "ref": "1984, Morrissey & Johnny Marr, “Heaven Knows I’m Miserable Now”, in Hatful of Hollow, performed by The Smiths:",
          "text": "I was happy in the haze of a drunken hour / But heaven knows I'm miserable now / I was looking for a job and then I found a job / And heaven knows I'm miserable now",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of God knows"
      ],
      "links": [
        [
          "God knows",
          "God knows#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "heaven knows"
}