"un de ces jours" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions adverbiales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Marques substitutives en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en chinois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en croate",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en néerlandais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de un et de jour."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "adv",
  "pos_title": "Locution adverbiale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Termes populaires en français",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "BoškoDukanac, Comme des marionnettes au bout d’un fil, Lausanne & Paris : Éditions L’Âge d’Homme, 2002",
          "text": "Je pourrais même être tenté de faire un saut jusqu’ici un de ces jours."
        }
      ],
      "glosses": [
        "Dans un de ces prochains jours."
      ],
      "id": "fr-un_de_ces_jours-fr-adv-gaGHaXVW",
      "tags": [
        "colloquial"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\œ̃ də sɛ ʒuʁ\\"
    }
  ],
  "synonyms": [
    {
      "word": "un de ces quatre matins"
    }
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "one of these days"
    },
    {
      "lang": "Chinois",
      "lang_code": "zh",
      "roman": "mǒurì",
      "word": "某日"
    },
    {
      "lang": "Croate",
      "lang_code": "hr",
      "word": "jednog dana"
    },
    {
      "lang": "Néerlandais",
      "lang_code": "nl",
      "word": "een van deze"
    },
    {
      "lang": "Néerlandais",
      "lang_code": "nl",
      "word": "binnenkort"
    },
    {
      "lang": "Néerlandais",
      "lang_code": "nl",
      "word": "aanstonds"
    }
  ],
  "word": "un de ces jours"
}

{
  "categories": [
    "Compositions en français",
    "Locutions adverbiales en français",
    "Marques substitutives en français",
    "Traductions en anglais",
    "Traductions en chinois",
    "Traductions en croate",
    "Traductions en néerlandais",
    "français"
  ],
  "etymology_texts": [
    "Composé de un et de jour."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "adv",
  "pos_title": "Locution adverbiale",
  "senses": [
    {
      "categories": [
        "Exemples en français",
        "Termes populaires en français"
      ],
      "examples": [
        {
          "ref": "BoškoDukanac, Comme des marionnettes au bout d’un fil, Lausanne & Paris : Éditions L’Âge d’Homme, 2002",
          "text": "Je pourrais même être tenté de faire un saut jusqu’ici un de ces jours."
        }
      ],
      "glosses": [
        "Dans un de ces prochains jours."
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\œ̃ də sɛ ʒuʁ\\"
    }
  ],
  "synonyms": [
    {
      "word": "un de ces quatre matins"
    }
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "one of these days"
    },
    {
      "lang": "Chinois",
      "lang_code": "zh",
      "roman": "mǒurì",
      "word": "某日"
    },
    {
      "lang": "Croate",
      "lang_code": "hr",
      "word": "jednog dana"
    },
    {
      "lang": "Néerlandais",
      "lang_code": "nl",
      "word": "een van deze"
    },
    {
      "lang": "Néerlandais",
      "lang_code": "nl",
      "word": "binnenkort"
    },
    {
      "lang": "Néerlandais",
      "lang_code": "nl",
      "word": "aanstonds"
    }
  ],
  "word": "un de ces jours"
}