"dur comme fer" meaning in French

{
  "head_templates": [
    {
      "args": {},
      "expansion": "dur comme fer",
      "name": "fr-adv"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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          "source": "w"
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          "kind": "other",
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          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "croire dur comme fer"
        }
      ],
      "examples": [
        {
          "text": "Père et mère voulaient dur comme fer une fille du nom de Noémi et à force de ne pas se décourager, ils l’ont eue.\nThe father and the mother definitely/absolutely wanted a daughter whose name would be Noémi, and, with persistence, got her.",
          "type": "example"
        },
        {
          "english": "An old Breton hag, ugly as sin, but who runs the crib with an iron hand, to be handled with care",
          "ref": "2002, Natacha Raoult-Cain, Un Mardi chez les fous, Publibook, page 72:",
          "text": "Une vieille bique bretonne, moche comme un pou, mais qui mène la baraque dur comme fer, à manipuler avec précaution",
          "type": "quote"
        },
        {
          "english": "The Liberals gave me an ironclad promise.",
          "ref": "2020 October 17, Annabelle Blais, “Les routes dangereuses du Québec : des victoires, mais à quel prix?”, in Le Journal de Montréal:",
          "text": "Les libéraux m’avaient promis ça dur comme fer.",
          "type": "quote"
        },
        {
          "english": "Faced with this panorama, the observers who firmly think that a little more experience to supervise the young guard of Saint-Etienne would not hurt are numerous.",
          "ref": "2020 November 4, Bastien Aubert, “ASSE : le sauveur de Claude Puel est peut-être arrivé”, in But Football Club:",
          "text": "Devant ce panorama, nombreux sont les observateurs à penser dur comme fer qu’un peu plus d’expérience ne serait pas de trop pour encadrer la jeune garde stéphanoise.",
          "type": "quote"
        }
      ],
      "glosses": [
        "steadfastly, like a rock, firmly, unshakeably"
      ],
      "id": "en-dur_comme_fer-fr-adv-MteNHx12",
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          "steadfastly",
          "steadfastly"
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          "like",
          "like"
        ],
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          "rock",
          "rock"
        ],
        [
          "firmly",
          "firmly"
        ],
        [
          "unshakeably",
          "unshakeably"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dyʁ kɔm fɛʁ/"
    }
  ],
  "word": "dur comme fer"
}

{
  "derived": [
    {
      "word": "croire dur comme fer"
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "dur comme fer",
      "name": "fr-adv"
    }
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  "lang": "French",
  "lang_code": "fr",
  "pos": "adv",
  "senses": [
    {
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        "French entries with incorrect language header",
        "French lemmas",
        "French multiword terms",
        "French terms with IPA pronunciation",
        "French terms with quotations",
        "French terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "Père et mère voulaient dur comme fer une fille du nom de Noémi et à force de ne pas se décourager, ils l’ont eue.\nThe father and the mother definitely/absolutely wanted a daughter whose name would be Noémi, and, with persistence, got her.",
          "type": "example"
        },
        {
          "english": "An old Breton hag, ugly as sin, but who runs the crib with an iron hand, to be handled with care",
          "ref": "2002, Natacha Raoult-Cain, Un Mardi chez les fous, Publibook, page 72:",
          "text": "Une vieille bique bretonne, moche comme un pou, mais qui mène la baraque dur comme fer, à manipuler avec précaution",
          "type": "quote"
        },
        {
          "english": "The Liberals gave me an ironclad promise.",
          "ref": "2020 October 17, Annabelle Blais, “Les routes dangereuses du Québec : des victoires, mais à quel prix?”, in Le Journal de Montréal:",
          "text": "Les libéraux m’avaient promis ça dur comme fer.",
          "type": "quote"
        },
        {
          "english": "Faced with this panorama, the observers who firmly think that a little more experience to supervise the young guard of Saint-Etienne would not hurt are numerous.",
          "ref": "2020 November 4, Bastien Aubert, “ASSE : le sauveur de Claude Puel est peut-être arrivé”, in But Football Club:",
          "text": "Devant ce panorama, nombreux sont les observateurs à penser dur comme fer qu’un peu plus d’expérience ne serait pas de trop pour encadrer la jeune garde stéphanoise.",
          "type": "quote"
        }
      ],
      "glosses": [
        "steadfastly, like a rock, firmly, unshakeably"
      ],
      "links": [
        [
          "steadfastly",
          "steadfastly"
        ],
        [
          "like",
          "like"
        ],
        [
          "rock",
          "rock"
        ],
        [
          "firmly",
          "firmly"
        ],
        [
          "unshakeably",
          "unshakeably"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dyʁ kɔm fɛʁ/"
    }
  ],
  "word": "dur comme fer"
}