有早知，冇乞兒 [－－－－－－儿]

Jyutping jau5 zou2 zi1 ， mou5 hat1 ji1
Pinyin yǒu zǎo zhī ， mǎo qǐ ér

Definitions (Wiktionary)
  1. proverb, Cantonese
    If everyone had accurate foresight, nobody would fail; hindsight is 20/20
    (syn.) 事后孔明, 马后炮, 事后诸葛亮, 事後孔明, 馬後炮, 事後諸葛亮

有早知，冇乞兒 [－－－－－－儿]

Jyutping jau5 zou2 zi1 mou5 hat1 ji1
Pinyin yǒu zǎo zhī , mǎo qǐ ér

Definitions (CC-CANTO)
  1. had one been able to forecast the outcome in advance they would not have done something the same way