"しらんかお" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "知る",
        "2": "しる"
      },
      "expansion": "知(し)る (shiru)",
      "name": "ja-r"
    },
    {
      "args": {
        "1": "知らん",
        "2": "しらん",
        "3": "顔",
        "4": "かお",
        "pos1": "negative of 知(し)る (<span class=\"mention-tr tr\">shiru</span>)",
        "t1": "to not know",
        "t2": ""
      },
      "expansion": "知(し)らん (shiran, “to not know”, negative of 知(し)る (shiru)) + 顔(かお) (kao)",
      "name": "ja-compound"
    }
  ],
  "etymology_text": "From 知(し)らん (shiran, “to not know”, negative of 知(し)る (shiru)) + 顔(かお) (kao).",
  "forms": [
    {
      "form": "しらんかお ^",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shirankao",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "sirankafo",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "しらんかほ",
      "roman": "sirankafo",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hhira": "しらんかほ"
      },
      "expansion": "しらんかお • (shirankao) ^(←しらんかほ (sirankafo)?)",
      "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 Nakadaka pitch accent (Tōkyō)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "feigned expression of innocence"
      ],
      "id": "en-しらんかお-ja-noun-zSJ~BL~K",
      "links": [
        [
          "feigned",
          "feigned"
        ],
        [
          "expression",
          "expression"
        ],
        [
          "innocence",
          "innocence"
        ]
      ],
      "related": [
        {
          "roman": "shiranpuri",
          "ruby": [
            [
              "知",
              "し"
            ]
          ],
          "word": "知らんぷり"
        }
      ]
    }
  ],
  "sounds": [
    {
      "other": "しらんかお"
    },
    {
      "ipa": "[ɕiɾã̠ŋka̠o̞]"
    }
  ],
  "word": "しらんかお"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "知る",
        "2": "しる"
      },
      "expansion": "知(し)る (shiru)",
      "name": "ja-r"
    },
    {
      "args": {
        "1": "知らん",
        "2": "しらん",
        "3": "顔",
        "4": "かお",
        "pos1": "negative of 知(し)る (<span class=\"mention-tr tr\">shiru</span>)",
        "t1": "to not know",
        "t2": ""
      },
      "expansion": "知(し)らん (shiran, “to not know”, negative of 知(し)る (shiru)) + 顔(かお) (kao)",
      "name": "ja-compound"
    }
  ],
  "etymology_text": "From 知(し)らん (shiran, “to not know”, negative of 知(し)る (shiru)) + 顔(かお) (kao).",
  "forms": [
    {
      "form": "しらんかお ^",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shirankao",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "sirankafo",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "しらんかほ",
      "roman": "sirankafo",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hhira": "しらんかほ"
      },
      "expansion": "しらんかお • (shirankao) ^(←しらんかほ (sirankafo)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "roman": "shiranpuri",
      "ruby": [
        [
          "知",
          "し"
        ]
      ],
      "word": "知らんぷり"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese compound terms",
        "Japanese entries with incorrect language header",
        "Japanese hiragana",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation with pitch accent",
        "Japanese terms with Nakadaka pitch accent (Tōkyō)",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "feigned expression of innocence"
      ],
      "links": [
        [
          "feigned",
          "feigned"
        ],
        [
          "expression",
          "expression"
        ],
        [
          "innocence",
          "innocence"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "しらんかお"
    },
    {
      "ipa": "[ɕiɾã̠ŋka̠o̞]"
    }
  ],
  "word": "しらんかお"
}