bǎn​shàng​dìng​dīng

set in stone

  1. board
    board; plank; plate; shutter; paddle or bat for sports; specifically refers to a blackboard or a shop's door shutter
  2. shang locative
    on
    (suffix) on; in; at; on the surface of; used after a noun to indicate a location, scope, or aspect
  3. to nail
    to drive a nail into something; to join or fix things in place using nails or staples
  4. nail
    small pointed piece of metal or wood used to fasten things; tack; staple