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Jyutping gau2 ji4 gau2 zi1
Pinyin jiǔ ér jiǔ zhī

Definitions (CC-CEDICT)
  1. over time
  2. as time passes
  3. in the fullness of time
Definitions (粵典–words.hk)
  1. 副詞
    指​某件事​或者​情況​持續​一段​長​時間​之​後​,​引起​某種​結果
    in the course of time; as time passes
    • 你每晚都咁夜瞓,久而久之,就會影響健康。
      你每晚都咁夜瞓,久而久之,就会影响健康。
      nei5 mui5 maan5 dou1 gam3 je6 fan3, gau2 ji4 gau2 zi1, zau6 wui5 jing2 hoeng2 gin6 hong1.
      You sleep late every day. As time passes, your health will be affected.
Definitions (Wiktionary)
  1. phrase, idiomatic
    in the course of time; over a long period of time
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (粵典–words.hk)
  1. Cantonese
    久而久之
    久而久之
    gau2 ji4 gau2 zi1
    • as time passes
  2. Cantonese
    你每晚都咁夜瞓,久而久之,就会影响健康。
    你每晚都咁夜瞓,久而久之,就會影響健康。
    nei5 mui5 maan5 dou1 gam3 je6 fan3, gau2 ji4 gau2 zi1, zau6 wui5 jing2 hoeng2 gin6 hong1.
    • You sleep late every day. As time passes, your health will be affected.