放空炮 Traditional form: 放空炮 Pinyin (reading): fàngkōngpào Definitions: (lit.) to fire blank shots (fig.) to be all talk and no action to shoot one's mouth off to make empty promises Characters: 放 - to release, to liberate, to free 空 - hollow, empty, deserted, bare 炮 - cannon, artillery Traditional characters: 放 - to release, to liberate, to free 空 - hollow, empty, deserted, bare 炮 - cannon, artillery