"qu'est-ce qu'il y a" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "qu'est-ce que",
        "3": "il y a"
      },
      "expansion": "qu’est-ce que + il y a",
      "name": "com"
    }
  ],
  "etymology_text": "qu’est-ce que + il y a (literally, \"what is there?\")",
  "forms": [
    {
      "form": "qu’ est-ce qu’ il y a",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "qu’est-ce qu’il y a",
      "name": "fr-phrase"
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  "lang": "French",
  "lang_code": "fr",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
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          "name": "Pages with entries",
          "parents": [],
          "source": "w"
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      ],
      "examples": [
        {
          "ref": "1937, Agatha Christie, Death on the Nile, Harper, page 221 of PDF:",
          "text": "Then he uttered a sharp exclamation.\n“Qu’est-ce qu’il y a?”\nRace said grimly: “She hasn’t disappeared. She’s here— under the bed….”",
          "type": "quote"
        },
        {
          "english": "...he exclaimed at the first moment, \"Hey, gentlemen, what's going on? Where does your laughter & surprise come from? What is it?",
          "ref": "1967, Denis Diderot, Le Neveu de Rameau, Garnier-Flammarion, page 151:",
          "text": "...il s’écria dans le premier moment : Hé bien, messieurs, qu’est-ce qu’il y a ? D’où viennent vos ris et votre surprise ? Qu’est-ce qu’il y a ?",
          "type": "quote"
        }
      ],
      "glosses": [
        "what's happening? what's the matter?"
      ],
      "id": "en-qu'est-ce_qu'il_y_a-fr-phrase-qLCc0KQ~",
      "links": [
        [
          "what's happening",
          "what's happening"
        ],
        [
          "what's the matter",
          "what's the matter"
        ]
      ],
      "raw_glosses": [
        "(colloquial, idiomatic) what's happening? what's the matter?"
      ],
      "synonyms": [
        {
          "word": "qu'y a-t-il"
        },
        {
          "word": "qu'est-ce qui ne va pas"
        },
        {
          "word": "qu'est-ce qui se passe"
        },
        {
          "word": "qu'est-ce qui cloche"
        },
        {
          "word": "quel est le problème"
        }
      ],
      "tags": [
        "colloquial",
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "other": "/k‿ɛ.s(ə) k‿il i a/"
    }
  ],
  "word": "qu'est-ce qu'il y a"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "qu'est-ce que",
        "3": "il y a"
      },
      "expansion": "qu’est-ce que + il y a",
      "name": "com"
    }
  ],
  "etymology_text": "qu’est-ce que + il y a (literally, \"what is there?\")",
  "forms": [
    {
      "form": "qu’ est-ce qu’ il y a",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "qu’est-ce qu’il y a",
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  "lang_code": "fr",
  "pos": "phrase",
  "senses": [
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      "categories": [
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        "French colloquialisms",
        "French compound terms",
        "French entries with incorrect language header",
        "French idioms",
        "French lemmas",
        "French multiword terms",
        "French phrases",
        "French terms with IPA pronunciation",
        "French terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1937, Agatha Christie, Death on the Nile, Harper, page 221 of PDF:",
          "text": "Then he uttered a sharp exclamation.\n“Qu’est-ce qu’il y a?”\nRace said grimly: “She hasn’t disappeared. She’s here— under the bed….”",
          "type": "quote"
        },
        {
          "english": "...he exclaimed at the first moment, \"Hey, gentlemen, what's going on? Where does your laughter & surprise come from? What is it?",
          "ref": "1967, Denis Diderot, Le Neveu de Rameau, Garnier-Flammarion, page 151:",
          "text": "...il s’écria dans le premier moment : Hé bien, messieurs, qu’est-ce qu’il y a ? D’où viennent vos ris et votre surprise ? Qu’est-ce qu’il y a ?",
          "type": "quote"
        }
      ],
      "glosses": [
        "what's happening? what's the matter?"
      ],
      "links": [
        [
          "what's happening",
          "what's happening"
        ],
        [
          "what's the matter",
          "what's the matter"
        ]
      ],
      "raw_glosses": [
        "(colloquial, idiomatic) what's happening? what's the matter?"
      ],
      "tags": [
        "colloquial",
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "other": "/k‿ɛ.s(ə) k‿il i a/"
    }
  ],
  "synonyms": [
    {
      "word": "qu'y a-t-il"
    },
    {
      "word": "qu'est-ce qui ne va pas"
    },
    {
      "word": "qu'est-ce qui se passe"
    },
    {
      "word": "qu'est-ce qui cloche"
    },
    {
      "word": "quel est le problème"
    }
  ],
  "word": "qu'est-ce qu'il y a"
}