5 idioms featuring this character
Success through persistence
Nghĩa đen: Iron rod becomes needle
Magnificent military might and valor
Nghĩa đen: Gold spears iron horses
Decisively and firmly without hesitation
Nghĩa đen: Chop nail cut iron
Irrefutable evidence; conclusive proof
Nghĩa đen: Iron evidence like a mountain
Impenetrable defense
Nghĩa đen: Copper wall iron wall