扑空 Traditional form: 撲空 Pinyin (reading): pūkōng Definitions: lit. to rush at thin air fig. to miss one's aim to have nothing to show for one's troubles Characters: 扑 - to attack, to beat, to hit, to strike 空 - hollow, empty, deserted, bare Traditional characters: 撲 - to attack, to beat, to hit, to strike 空 - hollow, empty, deserted, bare