"no decir ni pío" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "to not say 'chirp'"
      },
      "expansion": "“to not say 'chirp'”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "to not say 'chirp'"
      },
      "expansion": "Literally, “to not say 'chirp'”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “to not say 'chirp'”.",
  "forms": [
    {
      "form": "no digo ni pío",
      "tags": [
        "first-person",
        "present",
        "singular"
      ]
    },
    {
      "form": "no dije ni pío",
      "tags": [
        "first-person",
        "preterite",
        "singular"
      ]
    },
    {
      "form": "no dicho ni pío",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "no decir<> ni pío"
      },
      "expansion": "no decir ni pío (first-person singular present no digo ni pío, first-person singular preterite no dije ni pío, past participle no dicho ni pío)",
      "name": "es-verb"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "\"You've said you had to. But if they talk to you about it, not a word. You may well even see it in the papers. But don't you breathe a word.\"",
          "ref": "2007, Fred Vargas, translated by Anne-Hélène Suárez, Sin hogar ni lugar",
          "text": "–Has hecho lo que debías. Pero si te hablan de él, tú ni pío. Es posible incluso que lo veas en el periódico. Pero tú no digas ni pío.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "to keep mum; to not breathe a word; to not say a word; to not breathe a word"
      ],
      "id": "en-no_decir_ni_pío-es-verb-tJJ0X1cd",
      "links": [
        [
          "keep mum",
          "keep mum"
        ],
        [
          "breathe a word",
          "breathe a word"
        ],
        [
          "word",
          "word"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) to keep mum; to not breathe a word; to not say a word; to not breathe a word"
      ],
      "related": [
        {
          "word": "ni pío"
        }
      ],
      "synonyms": [
        {
          "word": "no decir ni mu"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "no decir ni pío"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "to not say 'chirp'"
      },
      "expansion": "“to not say 'chirp'”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "to not say 'chirp'"
      },
      "expansion": "Literally, “to not say 'chirp'”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “to not say 'chirp'”.",
  "forms": [
    {
      "form": "no digo ni pío",
      "tags": [
        "first-person",
        "present",
        "singular"
      ]
    },
    {
      "form": "no dije ni pío",
      "tags": [
        "first-person",
        "preterite",
        "singular"
      ]
    },
    {
      "form": "no dicho ni pío",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "no decir<> ni pío"
      },
      "expansion": "no decir ni pío (first-person singular present no digo ni pío, first-person singular preterite no dije ni pío, past participle no dicho ni pío)",
      "name": "es-verb"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "verb",
  "related": [
    {
      "word": "ni pío"
    }
  ],
  "senses": [
    {
      "categories": [
        "Spanish entries with incorrect language header",
        "Spanish idioms",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish terms with quotations",
        "Spanish verbs"
      ],
      "examples": [
        {
          "english": "\"You've said you had to. But if they talk to you about it, not a word. You may well even see it in the papers. But don't you breathe a word.\"",
          "ref": "2007, Fred Vargas, translated by Anne-Hélène Suárez, Sin hogar ni lugar",
          "text": "–Has hecho lo que debías. Pero si te hablan de él, tú ni pío. Es posible incluso que lo veas en el periódico. Pero tú no digas ni pío.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "to keep mum; to not breathe a word; to not say a word; to not breathe a word"
      ],
      "links": [
        [
          "keep mum",
          "keep mum"
        ],
        [
          "breathe a word",
          "breathe a word"
        ],
        [
          "word",
          "word"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) to keep mum; to not breathe a word; to not say a word; to not breathe a word"
      ],
      "synonyms": [
        {
          "word": "no decir ni mu"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "no decir ni pío"
}