"BTDT" meaning in 英語

{
  "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": "英語短語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "phrase",
  "pos_title": "短語",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "英語首字母縮略詞",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "been there, done that"
        }
      ],
      "glosses": [
        "been there, done that (“去過那裡，做過那事”)之首字母縮略詞。"
      ],
      "id": "zh-BTDT-en-phrase-9FhqKuLy",
      "tags": [
        "form-of"
      ]
    }
  ],
  "word": "BTDT"
}

{
  "categories": [
    "有1個詞條的頁面",
    "有詞條的頁面",
    "英語短語",
    "英語詞元"
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "phrase",
  "pos_title": "短語",
  "senses": [
    {
      "categories": [
        "英語首字母縮略詞"
      ],
      "form_of": [
        {
          "word": "been there, done that"
        }
      ],
      "glosses": [
        "been there, done that (“去過那裡，做過那事”)之首字母縮略詞。"
      ],
      "tags": [
        "form-of"
      ]
    }
  ],
  "word": "BTDT"
}