"tấc lòng" meaning in Vietnamien

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en vietnamien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vietnamien",
      "orig": "vietnamien",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Vietnamien",
  "lang_code": "vi",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en vietnamien",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Le cœur (cũng như tấc son)."
      ],
      "id": "fr-tấc_lòng-vi-noun-HGQtOGON",
      "raw_tags": [
        "Văn chương arch."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\tøk˦˥.lɔŋ˧˨\\"
    }
  ],
  "word": "tấc lòng"
}

{
  "categories": [
    "Noms communs en vietnamien",
    "vietnamien"
  ],
  "lang": "Vietnamien",
  "lang_code": "vi",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Wiktionnaire:Exemples manquants en vietnamien"
      ],
      "glosses": [
        "Le cœur (cũng như tấc son)."
      ],
      "raw_tags": [
        "Văn chương arch."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\tøk˦˥.lɔŋ˧˨\\"
    }
  ],
  "word": "tấc lòng"
}