"糠に釘" meaning in Japanese

{
  "forms": [
    {
      "form": "糠に釘",
      "ruby": [
        [
          "糠",
          "ぬか"
        ],
        [
          "釘",
          "くぎ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nuka ni kugi",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "idiom",
        "2": "ぬか に くぎ"
      },
      "expansion": "糠(ぬか)に釘(くぎ) • (nuka ni kugi)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 2 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "having no effect"
      ],
      "id": "en-糠に釘-ja-phrase-x~jzhK3x",
      "links": [
        [
          "effect",
          "effect"
        ]
      ],
      "synonyms": [
        {
          "word": "豆腐に鎹"
        },
        {
          "word": "暖簾に腕押し"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[nɯ̟ka̠ ɲ̟i kɯ̟ɡʲi]"
    }
  ],
  "word": "糠に釘"
}

{
  "forms": [
    {
      "form": "糠に釘",
      "ruby": [
        [
          "糠",
          "ぬか"
        ],
        [
          "釘",
          "くぎ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nuka ni kugi",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "idiom",
        "2": "ぬか に くぎ"
      },
      "expansion": "糠(ぬか)に釘(くぎ) • (nuka ni kugi)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese idioms",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese terms spelled with hyōgai kanji",
        "Japanese terms spelled with jinmeiyō kanji",
        "Japanese terms with 2 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation missing pitch accent",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "having no effect"
      ],
      "links": [
        [
          "effect",
          "effect"
        ]
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[nɯ̟ka̠ ɲ̟i kɯ̟ɡʲi]"
    }
  ],
  "synonyms": [
    {
      "word": "豆腐に鎹"
    },
    {
      "word": "暖簾に腕押し"
    }
  ],
  "word": "糠に釘"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "糠に釘"
  ],
  "section": "Japanese",
  "subsection": "idiom",
  "title": "糠に釘",
  "trace": ""
}