"NP難" meaning in Chinese

{
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "adjective"
      },
      "expansion": "NP難",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Chinese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Chinese terms written in multiple scripts",
          "parents": [
            "Terms written in multiple scripts",
            "Terms by orthographic property",
            "Terms by lexical property"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "zh",
          "name": "Theory of computing",
          "orig": "zh:Theory of computing",
          "parents": [
            "Computer science",
            "Computing",
            "Sciences",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "NP-hard"
      ],
      "id": "en-NP難-zh-adj-H7n~g3rh",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "theory",
          "theory"
        ],
        [
          "NP-hard",
          "NP-hard"
        ]
      ],
      "raw_glosses": [
        "(computing theory) NP-hard"
      ],
      "topics": [
        "computing",
        "computing-theory",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Mandarin",
        "Pinyin"
      ],
      "zh-pron": "ēn-pì-nán"
    },
    {
      "tags": [
        "Mandarin",
        "bopomofo"
      ],
      "zh-pron": "ㄣ ㄆㄧˋ ㄋㄢˊ"
    },
    {
      "tags": [
        "Cantonese",
        "Jyutping"
      ],
      "zh-pron": "en¹ pi¹ naan⁴"
    },
    {
      "tags": [
        "Hanyu-Pinyin",
        "Mandarin"
      ],
      "zh-pron": "NP-nán"
    },
    {
      "tags": [
        "Mandarin",
        "Tongyong-Pinyin"
      ],
      "zh-pron": "enpìnán"
    },
    {
      "tags": [
        "Mandarin",
        "Wade-Giles"
      ],
      "zh-pron": "ên¹-pʻi⁴-nan²"
    },
    {
      "tags": [
        "Mandarin",
        "Yale"
      ],
      "zh-pron": "ēn-pì-nán"
    },
    {
      "tags": [
        "Gwoyeu-Romatsyh",
        "Mandarin"
      ],
      "zh-pron": "enpihnan"
    },
    {
      "tags": [
        "Mandarin",
        "Palladius"
      ],
      "zh-pron": "эньпинань"
    },
    {
      "tags": [
        "Mandarin",
        "Palladius"
      ],
      "zh-pron": "enʹpinanʹ"
    },
    {
      "ipa": "/ˀən⁵⁵ pʰi⁵¹ nän³⁵/",
      "tags": [
        "Mandarin",
        "Sinological-IPA"
      ]
    },
    {
      "tags": [
        "Cantonese",
        "Yale"
      ],
      "zh-pron": "colloquial sounds not defined"
    },
    {
      "tags": [
        "Cantonese",
        "Pinyin"
      ],
      "zh-pron": "en¹ pi¹ naan⁴"
    },
    {
      "tags": [
        "Cantonese",
        "Guangdong-Romanization"
      ],
      "zh-pron": "colloquial sounds not defined"
    },
    {
      "ipa": "/ɛːn⁵⁵ pʰiː⁵⁵ naːn²¹/",
      "tags": [
        "Cantonese",
        "Sinological-IPA"
      ]
    },
    {
      "ipa": "/ˀən⁵⁵ pʰi⁵¹ nän³⁵/"
    },
    {
      "ipa": "/ɛːn⁵⁵ pʰiː⁵⁵ naːn²¹/"
    }
  ],
  "word": "NP難"
}

{
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "adjective"
      },
      "expansion": "NP難",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Cantonese adjectives",
        "Cantonese lemmas",
        "Chinese adjectives",
        "Chinese entries with incorrect language header",
        "Chinese lemmas",
        "Chinese terms with IPA pronunciation",
        "Chinese terms written in multiple scripts",
        "Mandarin adjectives",
        "Mandarin lemmas",
        "zh:Theory of computing"
      ],
      "glosses": [
        "NP-hard"
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "theory",
          "theory"
        ],
        [
          "NP-hard",
          "NP-hard"
        ]
      ],
      "raw_glosses": [
        "(computing theory) NP-hard"
      ],
      "topics": [
        "computing",
        "computing-theory",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Mandarin",
        "Pinyin"
      ],
      "zh-pron": "ēn-pì-nán"
    },
    {
      "tags": [
        "Mandarin",
        "bopomofo"
      ],
      "zh-pron": "ㄣ ㄆㄧˋ ㄋㄢˊ"
    },
    {
      "tags": [
        "Cantonese",
        "Jyutping"
      ],
      "zh-pron": "en¹ pi¹ naan⁴"
    },
    {
      "tags": [
        "Hanyu-Pinyin",
        "Mandarin"
      ],
      "zh-pron": "NP-nán"
    },
    {
      "tags": [
        "Mandarin",
        "Tongyong-Pinyin"
      ],
      "zh-pron": "enpìnán"
    },
    {
      "tags": [
        "Mandarin",
        "Wade-Giles"
      ],
      "zh-pron": "ên¹-pʻi⁴-nan²"
    },
    {
      "tags": [
        "Mandarin",
        "Yale"
      ],
      "zh-pron": "ēn-pì-nán"
    },
    {
      "tags": [
        "Gwoyeu-Romatsyh",
        "Mandarin"
      ],
      "zh-pron": "enpihnan"
    },
    {
      "tags": [
        "Mandarin",
        "Palladius"
      ],
      "zh-pron": "эньпинань"
    },
    {
      "tags": [
        "Mandarin",
        "Palladius"
      ],
      "zh-pron": "enʹpinanʹ"
    },
    {
      "ipa": "/ˀən⁵⁵ pʰi⁵¹ nän³⁵/",
      "tags": [
        "Mandarin",
        "Sinological-IPA"
      ]
    },
    {
      "tags": [
        "Cantonese",
        "Yale"
      ],
      "zh-pron": "colloquial sounds not defined"
    },
    {
      "tags": [
        "Cantonese",
        "Pinyin"
      ],
      "zh-pron": "en¹ pi¹ naan⁴"
    },
    {
      "tags": [
        "Cantonese",
        "Guangdong-Romanization"
      ],
      "zh-pron": "colloquial sounds not defined"
    },
    {
      "ipa": "/ɛːn⁵⁵ pʰiː⁵⁵ naːn²¹/",
      "tags": [
        "Cantonese",
        "Sinological-IPA"
      ]
    },
    {
      "ipa": "/ˀən⁵⁵ pʰi⁵¹ nän³⁵/"
    },
    {
      "ipa": "/ɛːn⁵⁵ pʰiː⁵⁵ naːn²¹/"
    }
  ],
  "word": "NP難"
}