破铜烂铁 (破銅爛鐵) pò tóng làn tiě

pò tóng làn tiě set phrase pieces of copper and rusty iron; scrap
Domain: Idiom 成语
Notes: (CC-CEDICT '破銅爛鐵'; Guoyu '破銅爛鐵')

Contained in

• 破铜烂铁也能成钢(破銅爛鐵也能成鋼) Even scrap metal can be turned into steel.