"tình nguyện" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "情願"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "情願"
      },
      "expansion": "Sino-Vietnamese word from 情願",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 情願.",
  "forms": [
    {
      "form": "情願",
      "tags": [
        "CJK"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "verb",
        "3": "",
        "4": "",
        "head": "",
        "tr": "情願"
      },
      "expansion": "tình nguyện • (情願)",
      "name": "head"
    },
    {
      "args": {
        "1": "情願"
      },
      "expansion": "tình nguyện • (情願)",
      "name": "vi-verb"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Vietnamese words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "alt": "軍情願",
          "word": "quân tình nguyện"
        },
        {
          "alt": "情願員",
          "word": "tình nguyện viên"
        }
      ],
      "glosses": [
        "to volunteer"
      ],
      "id": "en-tình_nguyện-vi-verb-KqGNb5AY",
      "links": [
        [
          "volunteer",
          "volunteer"
        ]
      ],
      "synonyms": [
        {
          "sense": "to volunteer",
          "word": "thiện nguyện"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tïŋ˨˩ ŋwiən˧˨ʔ]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[tɨn˦˩ ŋwiəŋ˨˩ʔ]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[tɨn˨˩ ŋwiəŋ˨˩˨]",
      "note": "Saigon"
    }
  ],
  "word": "tình nguyện"
}

{
  "derived": [
    {
      "alt": "軍情願",
      "word": "quân tình nguyện"
    },
    {
      "alt": "情願員",
      "word": "tình nguyện viên"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "情願"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "情願"
      },
      "expansion": "Sino-Vietnamese word from 情願",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 情願.",
  "forms": [
    {
      "form": "情願",
      "tags": [
        "CJK"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "verb",
        "3": "",
        "4": "",
        "head": "",
        "tr": "情願"
      },
      "expansion": "tình nguyện • (情願)",
      "name": "head"
    },
    {
      "args": {
        "1": "情願"
      },
      "expansion": "tình nguyện • (情願)",
      "name": "vi-verb"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Sino-Vietnamese words",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese terms with IPA pronunciation",
        "Vietnamese terms with redundant script codes",
        "Vietnamese verbs"
      ],
      "glosses": [
        "to volunteer"
      ],
      "links": [
        [
          "volunteer",
          "volunteer"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tïŋ˨˩ ŋwiən˧˨ʔ]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[tɨn˦˩ ŋwiəŋ˨˩ʔ]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[tɨn˨˩ ŋwiəŋ˨˩˨]",
      "note": "Saigon"
    }
  ],
  "synonyms": [
    {
      "sense": "to volunteer",
      "word": "thiện nguyện"
    }
  ],
  "word": "tình nguyện"
}