"blah blah blah" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "英語感嘆詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": "blah的重複。",
  "lang": "英語",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "examples": [
        {
          "text": "Oh blah blah blah. Just be quiet!",
          "translation": "喂喂喂，安靜下來！"
        }
      ],
      "glosses": [
        "讓人安靜下來。"
      ],
      "id": "zh-blah_blah_blah-en-intj-UIWdAiPU"
    },
    {
      "examples": [
        {
          "text": "I went to go out, but couldn't find my keys; blah blah blah, my toddler had hidden them in his snow boots.",
          "translation": "我出去了，但是沒找到鑰匙；等等等，結果是我孩子把它藏在雪地靴裡了。"
        }
      ],
      "glosses": [
        "廢話，無聊的內容。"
      ],
      "id": "zh-blah_blah_blah-en-intj-m4Cl16Ap"
    }
  ],
  "synonyms": [
    {
      "word": "blah blah"
    },
    {
      "sense": "廢話，無聊的內容",
      "word": "yada yada yada"
    }
  ],
  "word": "blah blah blah"
}

{
  "categories": [
    "英語感嘆詞",
    "英語詞元"
  ],
  "etymology_text": "blah的重複。",
  "lang": "英語",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "examples": [
        {
          "text": "Oh blah blah blah. Just be quiet!",
          "translation": "喂喂喂，安靜下來！"
        }
      ],
      "glosses": [
        "讓人安靜下來。"
      ]
    },
    {
      "examples": [
        {
          "text": "I went to go out, but couldn't find my keys; blah blah blah, my toddler had hidden them in his snow boots.",
          "translation": "我出去了，但是沒找到鑰匙；等等等，結果是我孩子把它藏在雪地靴裡了。"
        }
      ],
      "glosses": [
        "廢話，無聊的內容。"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "blah blah"
    },
    {
      "sense": "廢話，無聊的內容",
      "word": "yada yada yada"
    }
  ],
  "word": "blah blah blah"
}