"难" meaning in Chinese

{
  "etymology_templates": [
    {
      "args": {
        "1": "難",
        "nocap": "y"
      },
      "expansion": "simplified from 難",
      "name": "Han simp"
    }
  ],
  "etymology_text": "Unorthodox variant simplified from 難 (elimination of left component to 又 (yòu)) found in the Ming dynasty orthographic dictionary 《俗書刊誤》.\nOriginally part of the 324 simplified characters introduced by the Republic of China (Kuomintang government) in 1935 but was later retracted in 1936.\nEventually adopted as an official simplified character by the People's Republic of China in the 1956 Chinese Character Simplification Scheme.",
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "character",
  "redirects": [
    "難"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "CJKV simplified characters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Chinese terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "id": "en-难-zh-character-47DEQpj8",
      "tags": [
        "no-gloss"
      ],
      "wikipedia": [
        "Chinese Character Simplification Scheme",
        "Kuomintang",
        "Republic of China"
      ]
    }
  ],
  "word": "难"
}

{
  "categories": [
    "Pages with 3 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "難",
        "nocap": "y"
      },
      "expansion": "simplified from 難",
      "name": "Han simp"
    }
  ],
  "etymology_text": "Unorthodox variant simplified from 難 (elimination of left component to 又 (yòu)) found in the Ming dynasty orthographic dictionary 《俗書刊誤》.\nOriginally part of the 324 simplified characters introduced by the Republic of China (Kuomintang government) in 1935 but was later retracted in 1936.\nEventually adopted as an official simplified character by the People's Republic of China in the 1956 Chinese Character Simplification Scheme.",
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "character",
  "redirects": [
    "難"
  ],
  "senses": [
    {
      "categories": [
        "CJKV simplified characters",
        "Chinese terms with redundant script codes"
      ],
      "tags": [
        "no-gloss"
      ],
      "wikipedia": [
        "Chinese Character Simplification Scheme",
        "Kuomintang",
        "Republic of China"
      ]
    }
  ],
  "word": "难"
}