"kemény dió" meaning in Hungarian

{
  "etymology_templates": [
    {
      "args": {
        "1": "hu",
        "2": "kemény",
        "3": "dió",
        "nocat": "y",
        "t1": "hard",
        "t2": "nut"
      },
      "expansion": "kemény (“hard”) + dió (“nut”)",
      "name": "affix"
    }
  ],
  "etymology_text": "kemény (“hard”) + dió (“nut”)",
  "forms": [
    {
      "form": "kemény diók",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "hu",
        "2": "noun",
        "3": "",
        "4": "",
        "5": "plural",
        "6": "kemény diók",
        "7": "",
        "8": "{{{alt}}}",
        "head": "",
        "nopalindromecat": ""
      },
      "expansion": "kemény dió (plural kemény diók)",
      "name": "head"
    },
    {
      "args": {
        "pl": "kemény diók"
      },
      "expansion": "kemény dió (plural kemény diók)",
      "name": "hu-noun"
    }
  ],
  "lang": "Hungarian",
  "lang_code": "hu",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "glosses": [
        "hard nut to crack, toughie (a problem that is challenging to solve)"
      ],
      "id": "en-kemény_dió-hu-noun-denpycHG",
      "links": [
        [
          "hard nut to crack",
          "hard nut to crack"
        ],
        [
          "toughie",
          "toughie"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) hard nut to crack, toughie (a problem that is challenging to solve)"
      ],
      "synonyms": [
        {
          "word": "fogas kérdés"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    },
    {
      "categories": [
        {
          "_dis": "19 81",
          "kind": "other",
          "name": "Hungarian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "29 71",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "12 88",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "hard nut to crack (a situation, person, group, etc. which is difficult to overcome or deal with)"
      ],
      "id": "en-kemény_dió-hu-noun-5XtZvuZq",
      "links": [
        [
          "hard nut to crack",
          "hard nut to crack"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) hard nut to crack (a situation, person, group, etc. which is difficult to overcome or deal with)"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈkɛmeːɲ ˌdijoː]"
    }
  ],
  "word": "kemény dió"
}

{
  "categories": [
    "Hungarian adjective-noun phrases",
    "Hungarian entries with incorrect language header",
    "Hungarian lemmas",
    "Hungarian multiword terms",
    "Hungarian nouns",
    "Hungarian terms with IPA pronunciation",
    "Hungarian terms with manual IPA pronunciation",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "hu",
        "2": "kemény",
        "3": "dió",
        "nocat": "y",
        "t1": "hard",
        "t2": "nut"
      },
      "expansion": "kemény (“hard”) + dió (“nut”)",
      "name": "affix"
    }
  ],
  "etymology_text": "kemény (“hard”) + dió (“nut”)",
  "forms": [
    {
      "form": "kemény diók",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "hu",
        "2": "noun",
        "3": "",
        "4": "",
        "5": "plural",
        "6": "kemény diók",
        "7": "",
        "8": "{{{alt}}}",
        "head": "",
        "nopalindromecat": ""
      },
      "expansion": "kemény dió (plural kemény diók)",
      "name": "head"
    },
    {
      "args": {
        "pl": "kemény diók"
      },
      "expansion": "kemény dió (plural kemény diók)",
      "name": "hu-noun"
    }
  ],
  "lang": "Hungarian",
  "lang_code": "hu",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Hungarian idioms"
      ],
      "glosses": [
        "hard nut to crack, toughie (a problem that is challenging to solve)"
      ],
      "links": [
        [
          "hard nut to crack",
          "hard nut to crack"
        ],
        [
          "toughie",
          "toughie"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) hard nut to crack, toughie (a problem that is challenging to solve)"
      ],
      "synonyms": [
        {
          "word": "fogas kérdés"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    },
    {
      "categories": [
        "Hungarian idioms"
      ],
      "glosses": [
        "hard nut to crack (a situation, person, group, etc. which is difficult to overcome or deal with)"
      ],
      "links": [
        [
          "hard nut to crack",
          "hard nut to crack"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) hard nut to crack (a situation, person, group, etc. which is difficult to overcome or deal with)"
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈkɛmeːɲ ˌdijoː]"
    }
  ],
  "word": "kemény dió"
}