"開心" meaning in Chinois

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en chinois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Chinois",
      "orig": "chinois",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de 开 (kāi) « ouvrir » et 心 (xīn) « cœur ». Lorsque l'on ouvre son cœur, on donne et on reçoit de la joie, d'où la traduction joyeux qui en découle."
  ],
  "forms": [
    {
      "form": "开心",
      "raw_tags": [
        "Simplifié"
      ]
    }
  ],
  "lang": "Chinois",
  "lang_code": "zh",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "glosses": [
        "Joyeux, satisfait"
      ],
      "id": "fr-開心-zh-adj-zHzgxaKd"
    }
  ],
  "sounds": [
    {
      "tags": [
        "Pinyin"
      ],
      "zh_pron": "kāixīn"
    },
    {
      "ipa": "\\kʰaɪ̯˥ ɕin˥\\"
    },
    {
      "zh_pron": "//"
    },
    {
      "tags": [
        "Mandarin",
        "Pinyin"
      ],
      "zh_pron": "kāixīn (ka1 xin1)"
    }
  ],
  "synonyms": [
    {
      "alt": "高興",
      "roman": "gāoxìng",
      "word": "content"
    },
    {
      "word": "satisfait"
    }
  ],
  "word": "開心"
}

{
  "categories": [
    "Adjectifs en chinois",
    "chinois"
  ],
  "etymology_texts": [
    "Composé de 开 (kāi) « ouvrir » et 心 (xīn) « cœur ». Lorsque l'on ouvre son cœur, on donne et on reçoit de la joie, d'où la traduction joyeux qui en découle."
  ],
  "forms": [
    {
      "form": "开心",
      "raw_tags": [
        "Simplifié"
      ]
    }
  ],
  "lang": "Chinois",
  "lang_code": "zh",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "glosses": [
        "Joyeux, satisfait"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Pinyin"
      ],
      "zh_pron": "kāixīn"
    },
    {
      "ipa": "\\kʰaɪ̯˥ ɕin˥\\"
    },
    {
      "zh_pron": "//"
    },
    {
      "tags": [
        "Mandarin",
        "Pinyin"
      ],
      "zh_pron": "kāixīn (ka1 xin1)"
    }
  ],
  "synonyms": [
    {
      "alt": "高興",
      "roman": "gāoxìng",
      "word": "content"
    },
    {
      "word": "satisfait"
    }
  ],
  "word": "開心"
}