"無勉" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "無勉強",
        "tr": "mubenkyō"
      },
      "expansion": "Clipping of 無勉強 (mubenkyō)",
      "name": "clipping"
    }
  ],
  "etymology_text": "Clipping of 無勉強 (mubenkyō).",
  "forms": [
    {
      "form": "無勉",
      "ruby": [
        [
          "無",
          "む"
        ],
        [
          "勉",
          "べん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "muben",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "むべん"
      },
      "expansion": "無(む)勉(べん) • (muben)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 2 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
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          "bold_roman_offsets": [
            [
              0,
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          "bold_text_offsets": [
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            ]
          ],
          "english": "He passed Nihongo Kentei without studying.",
          "roman": "Muben de Nihongo Kentei gōkaku shita ze.",
          "ruby": [
            [
              "無勉",
              "むべん"
            ],
            [
              "日本語",
              "にほんご"
            ],
            [
              "検定",
              "けんてい"
            ],
            [
              "合格",
              "ごうかく"
            ]
          ],
          "text": "無勉で日本語検定合格したぜ。",
          "translation": "He passed Nihongo Kentei without studying.",
          "type": "example"
        }
      ],
      "glosses": [
        "a lack of study; (adverbially) without studying"
      ],
      "id": "en-無勉-ja-noun-U2XIeJha",
      "links": [
        [
          "lack",
          "lack"
        ],
        [
          "study",
          "study"
        ]
      ],
      "raw_glosses": [
        "(slang) a lack of study; (adverbially) without studying"
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[mɯ̟bẽ̞ɴ]"
    }
  ],
  "word": "無勉"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "無勉強",
        "tr": "mubenkyō"
      },
      "expansion": "Clipping of 無勉強 (mubenkyō)",
      "name": "clipping"
    }
  ],
  "etymology_text": "Clipping of 無勉強 (mubenkyō).",
  "forms": [
    {
      "form": "無勉",
      "ruby": [
        [
          "無",
          "む"
        ],
        [
          "勉",
          "べん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "muben",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "むべん"
      },
      "expansion": "無(む)勉(べん) • (muben)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
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        "Japanese clippings",
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese slang",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with 2 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation missing pitch accent",
        "Japanese terms with redundant sortkeys",
        "Japanese terms with usage examples",
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            ]
          ],
          "english": "He passed Nihongo Kentei without studying.",
          "roman": "Muben de Nihongo Kentei gōkaku shita ze.",
          "ruby": [
            [
              "無勉",
              "むべん"
            ],
            [
              "日本語",
              "にほんご"
            ],
            [
              "検定",
              "けんてい"
            ],
            [
              "合格",
              "ごうかく"
            ]
          ],
          "text": "無勉で日本語検定合格したぜ。",
          "translation": "He passed Nihongo Kentei without studying.",
          "type": "example"
        }
      ],
      "glosses": [
        "a lack of study; (adverbially) without studying"
      ],
      "links": [
        [
          "lack",
          "lack"
        ],
        [
          "study",
          "study"
        ]
      ],
      "raw_glosses": [
        "(slang) a lack of study; (adverbially) without studying"
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[mɯ̟bẽ̞ɴ]"
    }
  ],
  "word": "無勉"
}