"egyszer csak" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "hu",
        "2": "adverb"
      },
      "expansion": "egyszer csak",
      "name": "head"
    }
  ],
  "lang": "Hungarian",
  "lang_code": "hu",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Hungarian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "suddenly, unexpectedly, abruptly"
      ],
      "id": "en-egyszer_csak-hu-adv-BA6Zhit6",
      "links": [
        [
          "suddenly",
          "suddenly"
        ],
        [
          "unexpectedly",
          "unexpectedly"
        ],
        [
          "abruptly",
          "abruptly"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈɛcsɛrt͡ʃɒk]"
    }
  ],
  "word": "egyszer csak"
}

{
  "head_templates": [
    {
      "args": {
        "1": "hu",
        "2": "adverb"
      },
      "expansion": "egyszer csak",
      "name": "head"
    }
  ],
  "lang": "Hungarian",
  "lang_code": "hu",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Hungarian adverbs",
        "Hungarian entries with incorrect language header",
        "Hungarian lemmas",
        "Hungarian multiword terms",
        "Hungarian terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "suddenly, unexpectedly, abruptly"
      ],
      "links": [
        [
          "suddenly",
          "suddenly"
        ],
        [
          "unexpectedly",
          "unexpectedly"
        ],
        [
          "abruptly",
          "abruptly"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈɛcsɛrt͡ʃɒk]"
    }
  ],
  "word": "egyszer csak"
}