雙管齊下 [ㄕㄨㄤ ㄍㄨㄢˇ ㄑㄧˊ ㄒㄧㄚˋ; shuang1 guan3 qi2 xia4] lit. to paint holding two brushes (idiom); fig. to work on two tasks at the same time to attack one problem from two angles at the same time ◄ ►