"δεν ξέρω" meaning in All languages combined

{
  "forms": [
    {
      "form": "den xéro",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "phrase"
      },
      "expansion": "δεν ξέρω • (den xéro)",
      "name": "head"
    }
  ],
  "hyphenation": [
    "δεν"
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Greek phrasebook",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "I don't know."
      ],
      "id": "en-δεν_ξέρω-el-phrase-gQ18PKaq",
      "links": [
        [
          "I don't know",
          "I don't know"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ðɛŋɡˈzɛrɔ]"
    }
  ],
  "word": "δεν ξέρω"
}

{
  "forms": [
    {
      "form": "den xéro",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "phrase"
      },
      "expansion": "δεν ξέρω • (den xéro)",
      "name": "head"
    }
  ],
  "hyphenation": [
    "δεν"
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Greek entries with incorrect language header",
        "Greek lemmas",
        "Greek multiword terms",
        "Greek phrasebook",
        "Greek phrases",
        "Greek terms with IPA pronunciation"
      ],
      "glosses": [
        "I don't know."
      ],
      "links": [
        [
          "I don't know",
          "I don't know"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ðɛŋɡˈzɛrɔ]"
    }
  ],
  "word": "δεν ξέρω"
}