Dictionary/恨铁不成钢

恨铁不成钢 恨鐵不成鋼

hèn tiě bù chéng gāng

ㄏㄣˋ ㄊㄧㄝˇ ㄅㄨˋ ㄔㄥˊ ㄍㄤ
Idiom
1lit. disappointed that iron does not turn into steel (idiom)
2fig. frustrated with sb who has failed to meet one's expectations

Characters

恨铁不成钢