空 ㄎㄨㄥ kōng 荡 ㄉㄤ ˋ dàng 荡 ㄉㄤ ˋ dàng 空 ㄎㄨㄥ kōng 蕩 ㄉㄤ ˋ dàng 蕩 ㄉㄤ ˋ dàng absolutely empty (space) complete vacuum