"ai đó" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "ai",
        "3": "đó"
      },
      "expansion": "ai + đó",
      "name": "com"
    }
  ],
  "etymology_text": "ai + đó.",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "pronoun",
        "head": "",
        "tr": ""
      },
      "expansion": "ai đó",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "ai đó",
      "name": "vi-pronoun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese pronouns",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "There's someone at the door.",
          "text": "Có ai đó ở trước cửa.",
          "type": "example"
        }
      ],
      "glosses": [
        "someone"
      ],
      "id": "en-ai_đó-vi-pron-KlnVnjgJ",
      "links": [
        [
          "someone",
          "someone"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʔaːj˧˧ ʔɗɔ˧˦]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[ʔaːj˧˧ ʔɗɔ˨˩˦]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʔaːj˧˧ ʔɗɔ˦˥]",
      "note": "Saigon"
    }
  ],
  "word": "ai đó"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "ai",
        "3": "đó"
      },
      "expansion": "ai + đó",
      "name": "com"
    }
  ],
  "etymology_text": "ai + đó.",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "pronoun",
        "head": "",
        "tr": ""
      },
      "expansion": "ai đó",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "ai đó",
      "name": "vi-pronoun"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Vietnamese compound terms",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese pronouns",
        "Vietnamese terms with IPA pronunciation",
        "Vietnamese terms with usage examples"
      ],
      "examples": [
        {
          "english": "There's someone at the door.",
          "text": "Có ai đó ở trước cửa.",
          "type": "example"
        }
      ],
      "glosses": [
        "someone"
      ],
      "links": [
        [
          "someone",
          "someone"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʔaːj˧˧ ʔɗɔ˧˦]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[ʔaːj˧˧ ʔɗɔ˨˩˦]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʔaːj˧˧ ʔɗɔ˦˥]",
      "note": "Saigon"
    }
  ],
  "word": "ai đó"
}