"快樂" meaning in Vietnamien

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en vietnamien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en vietnamien issus d’un mot en chinois archaïque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vietnamien",
      "orig": "vietnamien",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du chinois archaïque."
  ],
  "lang": "Vietnamien",
  "lang_code": "vi",
  "pos": "adj",
  "pos_title": "Adjectif",
  "raw_tags": [
    "khoái lạc"
  ],
  "senses": [
    {
      "glosses": [
        "Heureux."
      ],
      "id": "fr-快樂-vi-adj-1xzR~DYM"
    }
  ],
  "word": "快樂"
}

{
  "categories": [
    "Adjectifs en vietnamien",
    "Mots en vietnamien issus d’un mot en chinois archaïque",
    "vietnamien"
  ],
  "etymology_texts": [
    "Du chinois archaïque."
  ],
  "lang": "Vietnamien",
  "lang_code": "vi",
  "pos": "adj",
  "pos_title": "Adjectif",
  "raw_tags": [
    "khoái lạc"
  ],
  "senses": [
    {
      "glosses": [
        "Heureux."
      ]
    }
  ],
  "word": "快樂"
}