栋 ㄉㄨㄥ ˋ dòng 梁 ㄌㄧㄤ ˊ liáng 棟 ㄉㄨㄥ ˋ dòng 梁 ㄌㄧㄤ ˊ liáng ridgepole ridgepole and beams person able to bear heavy responsibility mainstay (of organization) pillar (of state)