"表裏一体" meaning in Japanese

{
  "forms": [
    {
      "form": "表裏一体",
      "ruby": [
        [
          "表",
          "ひょう"
        ],
        [
          "裏",
          "り"
        ],
        [
          "一",
          "いっ"
        ],
        [
          "体",
          "たい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "hyōri ittai",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "feuriitutai",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "へうりいつたい",
      "roman": "feuriitutai",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ひょうり いったい",
        "head": "表裏一体",
        "hhira": "へうりいつたい"
      },
      "expansion": "表(ひょう)裏(り)一(いっ)体(たい) • (hyōri ittai) ^(←へうりいつたい (feuriitutai)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "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 alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "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 redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "two sides of the same coin"
      ],
      "id": "en-表裏一体-ja-noun-J1aKV6Y7",
      "links": [
        [
          "two sides of the same coin",
          "two sides of the same coin"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "ひょーりいったい"
    },
    {
      "ipa": "[ço̞ːɾʲi it̚ta̠i]"
    }
  ],
  "word": "表裏一体"
}

{
  "forms": [
    {
      "form": "表裏一体",
      "ruby": [
        [
          "表",
          "ひょう"
        ],
        [
          "裏",
          "り"
        ],
        [
          "一",
          "いっ"
        ],
        [
          "体",
          "たい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "hyōri ittai",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "feuriitutai",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "へうりいつたい",
      "roman": "feuriitutai",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ひょうり いったい",
        "head": "表裏一体",
        "hhira": "へうりいつたい"
      },
      "expansion": "表(ひょう)裏(り)一(いっ)体(たい) • (hyōri ittai) ^(←へうりいつたい (feuriitutai)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with sixth grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with four Han script characters"
      ],
      "glosses": [
        "two sides of the same coin"
      ],
      "links": [
        [
          "two sides of the same coin",
          "two sides of the same coin"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "ひょーりいったい"
    },
    {
      "ipa": "[ço̞ːɾʲi it̚ta̠i]"
    }
  ],
  "word": "表裏一体"
}

{
  "called_from": "parser/304",
  "msg": "HTML tag <span> not properly closed",
  "path": [
    "表裏一体"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "表裏一体",
  "trace": "started on line 2, detected on line 2"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "表裏一体"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "表裏一体",
  "trace": ""
}