"be a hundred years too early" meaning in English

{
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    {
      "args": {
        "1": "en",
        "2": "ja",
        "3": "百年早い",
        "tr": "hyaku-nen hayai"
      },
      "expansion": "Calque of Japanese 百年早い (hyaku-nen hayai)",
      "name": "cal"
    }
  ],
  "etymology_text": "Calque of Japanese 百年早い (hyaku-nen hayai).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb",
        "3": "irregular; see conjugation of \"be\""
      },
      "expansion": "be a hundred years too early (irregular; see conjugation of \"be\")",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Japanese fiction",
          "orig": "en:Japanese fiction",
          "parents": [
            "Fiction",
            "Japan",
            "Artistic works",
            "Asia",
            "Art",
            "Earth",
            "Eurasia",
            "Culture",
            "Nature",
            "Society",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Don't make me waste my time! You are a hundred years too early to be an opponent worthy of fighting me!"
        }
      ],
      "glosses": [
        "To be so immature and unprepared as to have no hope of achieving an accomplishment."
      ],
      "id": "en-be_a_hundred_years_too_early-en-verb-tdf3cTAV",
      "links": [
        [
          "anime",
          "anime"
        ],
        [
          "manga",
          "manga"
        ],
        [
          "fandom",
          "fandom"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "immature",
          "immature"
        ],
        [
          "unprepared",
          "unprepared"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, anime and manga fandom slang) To be so immature and unprepared as to have no hope of achieving an accomplishment."
      ],
      "tags": [
        "idiomatic",
        "slang"
      ],
      "topics": [
        "anime",
        "broadcasting",
        "film",
        "manga",
        "media",
        "television"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-be a hundred years too early.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/16/En-au-be_a_hundred_years_too_early.ogg/En-au-be_a_hundred_years_too_early.ogg.mp3",
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      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "be a hundred years too early"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ja",
        "3": "百年早い",
        "tr": "hyaku-nen hayai"
      },
      "expansion": "Calque of Japanese 百年早い (hyaku-nen hayai)",
      "name": "cal"
    }
  ],
  "etymology_text": "Calque of Japanese 百年早い (hyaku-nen hayai).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb",
        "3": "irregular; see conjugation of \"be\""
      },
      "expansion": "be a hundred years too early (irregular; see conjugation of \"be\")",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English fandom slang",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English terms calqued from Japanese",
        "English terms derived from Japanese",
        "English terms with audio links",
        "English verbs",
        "en:Japanese fiction"
      ],
      "examples": [
        {
          "text": "Don't make me waste my time! You are a hundred years too early to be an opponent worthy of fighting me!"
        }
      ],
      "glosses": [
        "To be so immature and unprepared as to have no hope of achieving an accomplishment."
      ],
      "links": [
        [
          "anime",
          "anime"
        ],
        [
          "manga",
          "manga"
        ],
        [
          "fandom",
          "fandom"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "immature",
          "immature"
        ],
        [
          "unprepared",
          "unprepared"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, anime and manga fandom slang) To be so immature and unprepared as to have no hope of achieving an accomplishment."
      ],
      "tags": [
        "idiomatic",
        "slang"
      ],
      "topics": [
        "anime",
        "broadcasting",
        "film",
        "manga",
        "media",
        "television"
      ]
    }
  ],
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      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/16/En-au-be_a_hundred_years_too_early.ogg",
      "tags": [
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      "text": "Audio (AU)"
    }
  ],
  "word": "be a hundred years too early"
}