"no duro" meaning in Portuguese

{
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "no"
      },
      "expansion": "no",
      "name": "m"
    },
    {
      "args": {
        "1": "pt",
        "2": "duro"
      },
      "expansion": "duro",
      "name": "m"
    }
  ],
  "etymology_text": "no + duro",
  "head_templates": [
    {
      "args": {
        "hascomp": "no"
      },
      "expansion": "no duro (not comparable)",
      "name": "pt-adv"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Brazilian Portuguese",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Hi, Doc... Really?! You think she's gonna be able to pull though with some encouragement? Aw, that's great!",
          "ref": "1987, “Você se Lembra de Mim? [The Son Also Rises]” (0:47 from the start), in A Gata e o Rato [Moonlighting], season 3, episode 1, spoken by David Addison (Newton da Matta), Herbert Richers, via Globo",
          "text": "Oi, doutor... No duro?! Acha que ela vai aguentar passar por isso? Tá animadinha? Ah, isso é ótimo!",
          "type": "quotation"
        }
      ],
      "glosses": [
        "as a fact; really; truthfully"
      ],
      "id": "en-no_duro-pt-adv-2RI8IXfI",
      "links": [
        [
          "fact",
          "fact"
        ],
        [
          "really",
          "really"
        ],
        [
          "truthfully",
          "truthfully"
        ]
      ],
      "raw_glosses": [
        "(Brazil, idiomatic) as a fact; really; truthfully"
      ],
      "tags": [
        "Brazil",
        "idiomatic",
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nu ˈdu.ɾu/",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "/nu ˈdu.ɾu/",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "/no ˈdu.ɾo/",
      "tags": [
        "Southern-Brazil"
      ]
    },
    {
      "ipa": "/nu ˈdu.ɾu/",
      "tags": [
        "Portugal"
      ]
    },
    {
      "ipa": "[nu ˈðu.ɾu]",
      "tags": [
        "Portugal"
      ]
    }
  ],
  "word": "no duro"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "pt",
        "2": "no"
      },
      "expansion": "no",
      "name": "m"
    },
    {
      "args": {
        "1": "pt",
        "2": "duro"
      },
      "expansion": "duro",
      "name": "m"
    }
  ],
  "etymology_text": "no + duro",
  "head_templates": [
    {
      "args": {
        "hascomp": "no"
      },
      "expansion": "no duro (not comparable)",
      "name": "pt-adv"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Brazilian Portuguese",
        "Portuguese adverbs",
        "Portuguese entries with incorrect language header",
        "Portuguese idioms",
        "Portuguese lemmas",
        "Portuguese multiword terms",
        "Portuguese terms with IPA pronunciation",
        "Portuguese terms with quotations",
        "Portuguese uncomparable adverbs"
      ],
      "examples": [
        {
          "english": "Hi, Doc... Really?! You think she's gonna be able to pull though with some encouragement? Aw, that's great!",
          "ref": "1987, “Você se Lembra de Mim? [The Son Also Rises]” (0:47 from the start), in A Gata e o Rato [Moonlighting], season 3, episode 1, spoken by David Addison (Newton da Matta), Herbert Richers, via Globo",
          "text": "Oi, doutor... No duro?! Acha que ela vai aguentar passar por isso? Tá animadinha? Ah, isso é ótimo!",
          "type": "quotation"
        }
      ],
      "glosses": [
        "as a fact; really; truthfully"
      ],
      "links": [
        [
          "fact",
          "fact"
        ],
        [
          "really",
          "really"
        ],
        [
          "truthfully",
          "truthfully"
        ]
      ],
      "raw_glosses": [
        "(Brazil, idiomatic) as a fact; really; truthfully"
      ],
      "tags": [
        "Brazil",
        "idiomatic",
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nu ˈdu.ɾu/",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "/nu ˈdu.ɾu/",
      "tags": [
        "Brazil"
      ]
    },
    {
      "ipa": "/no ˈdu.ɾo/",
      "tags": [
        "Southern-Brazil"
      ]
    },
    {
      "ipa": "/nu ˈdu.ɾu/",
      "tags": [
        "Portugal"
      ]
    },
    {
      "ipa": "[nu ˈðu.ɾu]",
      "tags": [
        "Portugal"
      ]
    }
  ],
  "word": "no duro"
}