"十年唔逢一閏" meaning in Chinese

{
  "forms": [
    {
      "form": "十年唔逢一闰",
      "raw_tags": [
        "Simplified Chinese"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "idiom"
      },
      "expansion": "十年唔逢一閏",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Cantonese Chinese",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Chinese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "once in a blue moon"
      ],
      "id": "en-十年唔逢一閏-zh-phrase-hA8CY0hs",
      "links": [
        [
          "once in a blue moon",
          "once in a blue moon"
        ]
      ],
      "raw_glosses": [
        "(Cantonese) once in a blue moon"
      ],
      "synonyms": [
        {
          "roman": "qiānzǎinánféng",
          "word": "千載難逢／千载难逢"
        },
        {
          "roman": "qiānzǎinánféng",
          "word": "千載難逢"
        },
        {
          "roman": "qiānzǎinánféng",
          "word": "千载难逢"
        }
      ],
      "tags": [
        "Cantonese",
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Cantonese",
        "Jyutping"
      ],
      "zh-pron": "sap⁶ nin⁴ m⁴ fung⁴ jat¹ jeon⁶"
    },
    {
      "tags": [
        "Cantonese",
        "Yale"
      ],
      "zh-pron": "sahp nìhn m̀h fùhng yāt yeuhn"
    },
    {
      "tags": [
        "Cantonese",
        "Pinyin"
      ],
      "zh-pron": "sap⁹ nin⁴ m⁴ fung⁴ jat⁷ joen⁶"
    },
    {
      "tags": [
        "Cantonese",
        "Guangdong-Romanization"
      ],
      "zh-pron": "seb⁶ nin⁴ m⁴ fung⁴ yed¹ yên⁶"
    },
    {
      "ipa": "/sɐp̚² niːn²¹ m̩²¹ fʊŋ²¹ jɐt̚⁵ jɵn²²/",
      "tags": [
        "Cantonese",
        "Sinological-IPA"
      ]
    },
    {
      "ipa": "/sɐp̚² niːn²¹ m̩²¹ fʊŋ²¹ jɐt̚⁵ jɵn²²/"
    }
  ],
  "word": "十年唔逢一閏"
}

{
  "forms": [
    {
      "form": "十年唔逢一闰",
      "raw_tags": [
        "Simplified Chinese"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "idiom"
      },
      "expansion": "十年唔逢一閏",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Cantonese Chinese",
        "Cantonese idioms",
        "Cantonese lemmas",
        "Chinese entries with incorrect language header",
        "Chinese idioms",
        "Chinese lemmas",
        "Chinese terms spelled with 一",
        "Chinese terms spelled with 十",
        "Chinese terms spelled with 唔",
        "Chinese terms spelled with 年",
        "Chinese terms spelled with 逢",
        "Chinese terms spelled with 閏",
        "Chinese terms with IPA pronunciation",
        "Pages with 1 entry"
      ],
      "glosses": [
        "once in a blue moon"
      ],
      "links": [
        [
          "once in a blue moon",
          "once in a blue moon"
        ]
      ],
      "raw_glosses": [
        "(Cantonese) once in a blue moon"
      ],
      "tags": [
        "Cantonese",
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Cantonese",
        "Jyutping"
      ],
      "zh-pron": "sap⁶ nin⁴ m⁴ fung⁴ jat¹ jeon⁶"
    },
    {
      "tags": [
        "Cantonese",
        "Yale"
      ],
      "zh-pron": "sahp nìhn m̀h fùhng yāt yeuhn"
    },
    {
      "tags": [
        "Cantonese",
        "Pinyin"
      ],
      "zh-pron": "sap⁹ nin⁴ m⁴ fung⁴ jat⁷ joen⁶"
    },
    {
      "tags": [
        "Cantonese",
        "Guangdong-Romanization"
      ],
      "zh-pron": "seb⁶ nin⁴ m⁴ fung⁴ yed¹ yên⁶"
    },
    {
      "ipa": "/sɐp̚² niːn²¹ m̩²¹ fʊŋ²¹ jɐt̚⁵ jɵn²²/",
      "tags": [
        "Cantonese",
        "Sinological-IPA"
      ]
    },
    {
      "ipa": "/sɐp̚² niːn²¹ m̩²¹ fʊŋ²¹ jɐt̚⁵ jɵn²²/"
    }
  ],
  "synonyms": [
    {
      "roman": "qiānzǎinánféng",
      "word": "千載難逢／千载难逢"
    },
    {
      "roman": "qiānzǎinánféng",
      "word": "千載難逢"
    },
    {
      "roman": "qiānzǎinánféng",
      "word": "千载难逢"
    }
  ],
  "word": "十年唔逢一閏"
}

{
  "called_from": "pronunciations/296/20230324",
  "msg": "Zh-pron header not found in zh_pron_tags or tags: '(Standard Cantonese, Guangzhou–Hong Kong)⁺'",
  "path": [
    "十年唔逢一閏"
  ],
  "section": "Chinese",
  "subsection": "",
  "title": "十年唔逢一閏",
  "trace": ""
}