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Jyutping jat1 koi3 ji4 leon6
Pinyin yī gài ér lùn

Definitions (CC-CEDICT)
  1. to lump different matters together (idiom)
Definitions (粵典–words.hk)
  1. 語句
    用​同一​標準​審視​唔​同​嘅​對​象
    (usu. used in a negative sense) to treat different matters as the same
    • 你唔可以一概而論話坐過監嘅就係衰人嘅。
      你唔可以一概而论话坐过监嘅就系衰人嘅。
      You can't conclude that every ex-prisoners are bad. You can't judge every man as the same.
Definitions (Wiktionary)
  1. phrase, idiomatic
    to treat different matters as the same; to lump together; (psychology) splitting
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Definitions (HSK3.0)
  1. HSK3 七一九级词汇表 #4883
Examples (粵典–words.hk)
  1. Cantonese
    一概而论
    一概而論
    • to treat different matters as the same
  2. Cantonese
    你唔可以一概而论话坐过监嘅就系衰人嘅。
    你唔可以一概而論話坐過監嘅就係衰人嘅。
    • You can't conclude that every ex-prisoners are bad. You can't judge every man as the same.
Examples (Wiktionary)
  1. Mandarin
    说是超性别,但也不能一概而论,易性癖也有很多类型。
    説是超性別,但也不能一概而論,易性癖也有很多類型。
    shuō shì chāo xìng bié , dàn yě bù néng yī gài ér lùn , yì xìng pǐ yě yǒu hěn duō lèi xíng .
    • Even transgenderism is not uniform; even transsexualism has many forms.