Gan Jiang carried the iron home, and he and his wife heated it day and night for three years, but it wouldn't melt. So they cut off their hair and nails and threw them into the fire. At last the molten iron began to flow.
將鐵塊捧回家後，幹將與妻子日日夜夜地鍛鍊，費了三年時間，鐵塊未熔，鐵水不下，夫妻倆剪下頭髮、指甲，投入火中，鐵水終於流出。