[---]

Jyutping han6 tit3 bat1 sing4 gong1
Pinyin hèn tiě bù chéng gāng

Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

[---]

Jyutping han6 tit3 bat1 sing4 gong3
Pinyin hèn tiě bù chéng gāng

Definitions (CC-CEDICT)
  1. lit. disappointed that iron does not turn into steel (idiom)
  2. fig. frustrated with sb who has failed to meet one's expectations
Definitions (粵典–words.hk)
  1. 語句
    對​某人​有​期望​,​但​因​為​佢​唔​爭​氣​、​唔​上​進​而​感到​不滿​、​唔​抵得
    to feel resentful towards somebody for failing to meet expectations and impatient to see improvement
    • 港大排名係噉跌,市民恨鐵不成鋼
      港大排名系噉跌,市民恨铁不成钢
      Citizens feel resentful that the University of Hong Kong has failed to meet their expectations and declined in ranking.
Definitions (Wiktionary)
  1. phrase, figuratively, idiomatic
    to feel resentful towards someone for failing to meet expectations; to be impatient to see improvement
Examples (粵典–words.hk)
  1. Cantonese
    港大排名系噉跌,市民恨铁不成钢
    港大排名係噉跌,市民恨鐵不成鋼
    • Citizens feel resentful that the University of Hong Kong has failed to meet their expectations and declined in ranking.
Examples (Wiktionary)
  1. Mandarin
    恨铁不成钢
    恨鐵不成鋼
    hèn tiě bù chéng gāng
    • to pity someone's lack of improvement