"Y2K問題" meaning in All languages combined

{
  "forms": [
    {
      "form": "Y2K问题",
      "raw_tags": [
        "Simplified Chinese"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "noun"
      },
      "expansion": "Y2K問題",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Chinese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Chinese terms written in multiple scripts",
          "parents": [
            "Terms written in multiple scripts",
            "Terms by orthographic property",
            "Terms by lexical property"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "year 2000 problem"
      ],
      "id": "en-Y2K問題-zh-noun-biMRvECF",
      "links": [
        [
          "year 2000 problem",
          "year 2000 problem"
        ]
      ],
      "raw_glosses": [
        "(historical) year 2000 problem"
      ],
      "synonyms": [
        {
          "word": "2000年問題"
        }
      ],
      "tags": [
        "historical"
      ]
    }
  ],
  "word": "Y2K問題"
}

{
  "forms": [
    {
      "form": "Y2K问题",
      "raw_tags": [
        "Simplified Chinese"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "noun"
      },
      "expansion": "Y2K問題",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Chinese entries with incorrect language header",
        "Chinese lemmas",
        "Chinese nouns",
        "Chinese terms spelled with 問",
        "Chinese terms spelled with 題",
        "Chinese terms with IPA pronunciation",
        "Chinese terms with historical senses",
        "Chinese terms written in multiple scripts",
        "Pages with 1 entry",
        "Pages with entries",
        "Requests for pronunciation in Mandarin entries"
      ],
      "glosses": [
        "year 2000 problem"
      ],
      "links": [
        [
          "year 2000 problem",
          "year 2000 problem"
        ]
      ],
      "raw_glosses": [
        "(historical) year 2000 problem"
      ],
      "synonyms": [
        {
          "word": "2000年問題"
        }
      ],
      "tags": [
        "historical"
      ]
    }
  ],
  "word": "Y2K問題"
}