"城墙上赶麻雀" meaning in 漢語

{
  "categories": [
    {
      "kind": "other",
      "name": "待分類的漢語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "歇后语",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "漢語",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "漢語",
  "lang_code": "zh",
  "pos": "proverb",
  "senses": [
    {
      "glosses": [
        "城墙上赶麻雀　——　白费功夫；白费劲；枉费工"
      ],
      "id": "zh-城墙上赶麻雀-zh-proverb-JseopUpP"
    }
  ],
  "tags": [
    "xiehouyu"
  ],
  "word": "城墙上赶麻雀"
}

{
  "categories": [
    "待分類的漢語詞",
    "歇后语",
    "漢語"
  ],
  "lang": "漢語",
  "lang_code": "zh",
  "pos": "proverb",
  "senses": [
    {
      "glosses": [
        "城墙上赶麻雀　——　白费功夫；白费劲；枉费工"
      ]
    }
  ],
  "tags": [
    "xiehouyu"
  ],
  "word": "城墙上赶麻雀"
}