"lão thành" meaning in ベトナム語

{
  "categories": [
    {
      "kind": "other",
      "name": "ベトナム語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "ベトナム語_形容詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "ベトナム語_漢字語",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "老成"
    }
  ],
  "lang": "ベトナム語",
  "lang_code": "vi",
  "pos": "adj",
  "pos_title": "形容詞",
  "senses": [
    {
      "glosses": [
        "老成した"
      ],
      "id": "ja-lão_thành-vi-adj-yrDbO1o3"
    }
  ],
  "word": "lão thành"
}

{
  "categories": [
    "ベトナム語",
    "ベトナム語_形容詞",
    "ベトナム語_漢字語"
  ],
  "forms": [
    {
      "form": "老成"
    }
  ],
  "lang": "ベトナム語",
  "lang_code": "vi",
  "pos": "adj",
  "pos_title": "形容詞",
  "senses": [
    {
      "glosses": [
        "老成した"
      ]
    }
  ],
  "word": "lão thành"
}