turn/beat swords into ploughshares1 to stop fighting and start living in peace 铸剑为犁；偃武修文 → turn/beat swords into ploughshares at ploughshare(1)
2 literary to start using money, equipment, and skills for peaceful purposes rather than for fighting 铸剑为犁；偃武修文 → turn/beat swords into ploughshares at sword(3)