"thành thục" meaning in Vietnamese

{
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        "2": "Sino-Vietnamese words"
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      "expansion": "",
      "name": "categorize"
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    {
      "args": {
        "1": "成",
        "2": "",
        "3": "熟"
      },
      "expansion": "Sino-Vietnamese word from 成熟, composed of 成 and 熟",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 成熟, composed of 成 and 熟.",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "adjective",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "head": "",
        "tr": ""
      },
      "expansion": "thành thục",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "thành thục",
      "name": "vi-adj"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "vi",
          "name": "Biology",
          "orig": "vi:Biology",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "66 34",
          "kind": "other",
          "name": "Sino-Vietnamese words",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "86 14",
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "english": "sexual maturity in animals",
          "text": "thành thục về tính ở động vật",
          "type": "example"
        }
      ],
      "glosses": [
        "mature"
      ],
      "id": "en-thành_thục-vi-adj-bTByZJNS",
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "mature",
          "mature"
        ]
      ],
      "raw_glosses": [
        "(chiefly biology) mature"
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ]
    },
    {
      "glosses": [
        "proficient; well-trained (in a particular field)"
      ],
      "id": "en-thành_thục-vi-adj-DZx2uK07",
      "links": [
        [
          "proficient",
          "proficient"
        ],
        [
          "well",
          "well"
        ],
        [
          "trained",
          "trained"
        ]
      ],
      "raw_glosses": [
        "(by extension) proficient; well-trained (in a particular field)"
      ],
      "tags": [
        "broadly"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tʰajŋ̟˨˩ tʰʊwk͡p̚˧˨ʔ]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[tʰɛɲ˦˩ tʰʊwk͡p̚˨˩ʔ]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[tʰan˨˩ tʰʊwk͡p̚˨˩˨]",
      "tags": [
        "Hồ-Chí-Minh-City"
      ]
    }
  ],
  "word": "thành thục"
}

{
  "categories": [
    "Sino-Vietnamese words",
    "Vietnamese adjectives",
    "Vietnamese entries with incorrect language header",
    "Vietnamese lemmas",
    "Vietnamese terms with IPA pronunciation"
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  "etymology_templates": [
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    {
      "args": {
        "1": "成",
        "2": "",
        "3": "熟"
      },
      "expansion": "Sino-Vietnamese word from 成熟, composed of 成 and 熟",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 成熟, composed of 成 and 熟.",
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        "3": "",
        "4": "",
        "5": "",
        "6": "",
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      },
      "expansion": "thành thục",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "thành thục",
      "name": "vi-adj"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Vietnamese terms with usage examples",
        "vi:Biology"
      ],
      "examples": [
        {
          "english": "sexual maturity in animals",
          "text": "thành thục về tính ở động vật",
          "type": "example"
        }
      ],
      "glosses": [
        "mature"
      ],
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "mature",
          "mature"
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      "raw_glosses": [
        "(chiefly biology) mature"
      ],
      "topics": [
        "biology",
        "natural-sciences"
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      "glosses": [
        "proficient; well-trained (in a particular field)"
      ],
      "links": [
        [
          "proficient",
          "proficient"
        ],
        [
          "well",
          "well"
        ],
        [
          "trained",
          "trained"
        ]
      ],
      "raw_glosses": [
        "(by extension) proficient; well-trained (in a particular field)"
      ],
      "tags": [
        "broadly"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tʰajŋ̟˨˩ tʰʊwk͡p̚˧˨ʔ]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[tʰɛɲ˦˩ tʰʊwk͡p̚˨˩ʔ]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[tʰan˨˩ tʰʊwk͡p̚˨˩˨]",
      "tags": [
        "Hồ-Chí-Minh-City"
      ]
    }
  ],
  "word": "thành thục"
}