"fly on the wall" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語可數名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "flies on the wall",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "英语",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "英語俗語",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1918, \"Clark Would Draft Even Men of 68,\" New York Times, 9 Aug., p. 11 (retrieved 28 Oct. 2008),",
          "text": "James W. Gerard, ex-Ambassador to Germany, the first speaker of the evening, said that at that moment he would like to be a fly on the wall of the palace at Potsdam to hear what the Potsdam gang were saying about our soldiers."
        }
      ],
      "glosses": [
        "旁观者，（暗中的）见证者，偷看者"
      ],
      "id": "zh-fly_on_the_wall-en-noun-svRZnQ0-",
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-fly on the wall.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/43/En-au-fly_on_the_wall.ogg/En-au-fly_on_the_wall.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/en-au-fly on the wall.ogg",
      "raw_tags": [
        "（澳洲）音频"
      ]
    }
  ],
  "word": "fly on the wall"
}

{
  "categories": [
    "有1個詞條的頁面",
    "有詞條的頁面",
    "英語可數名詞",
    "英語名詞",
    "英語詞元"
  ],
  "forms": [
    {
      "form": "flies on the wall",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "英语",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "英語俗語"
      ],
      "examples": [
        {
          "ref": "1918, \"Clark Would Draft Even Men of 68,\" New York Times, 9 Aug., p. 11 (retrieved 28 Oct. 2008),",
          "text": "James W. Gerard, ex-Ambassador to Germany, the first speaker of the evening, said that at that moment he would like to be a fly on the wall of the palace at Potsdam to hear what the Potsdam gang were saying about our soldiers."
        }
      ],
      "glosses": [
        "旁观者，（暗中的）见证者，偷看者"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-fly on the wall.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/43/En-au-fly_on_the_wall.ogg/En-au-fly_on_the_wall.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/en-au-fly on the wall.ogg",
      "raw_tags": [
        "（澳洲）音频"
      ]
    }
  ],
  "word": "fly on the wall"
}