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Jyutping geoi2 jat1 faan2 saam1
Pinyin jǔ yī fǎn sān

Definitions (CC-CEDICT)
  1. to raise one and infer three
  2. to deduce many things from one case (idiom)
Definitions (粵典–words.hk)
  1. 動詞
    由​一件​事類​推​其他​相似​嘅​事
    to deduce many similar things from one case; literally: to raise one and infer three
    • 黃生係聰明人,好快就能夠舉一反三。
      黄生系聪明人,好快就能够举一反三。
      wong4 saang1 hai6 cung1 ming4 jan4, hou2 faai3 zau6 nang4 gau3 geoi2 jat1 faan2 saam1.
      Mr Wong is a clever man that he can quickly deduce similar cases.
Definitions (Wiktionary)
  1. phrase, idiomatic
    to learn by analogy; to infer other cases based on one instance
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Definitions (HSK3.0)
  1. HSK3 七一九级词汇表 #2280
Examples (粵典–words.hk)
  1. Cantonese
    黄生系聪明人,好快就能够举一反三。
    黃生係聰明人,好快就能夠舉一反三。
    wong4 saang1 hai6 cung1 ming4 jan4, hou2 faai3 zau6 nang4 gau3 geoi2 jat1 faan2 saam1.
    • Mr Wong is a clever man that he can quickly deduce similar cases.