擂鼓鳴金 [ㄌㄟˊ ㄍㄨˇ ㄇㄧㄥˊ ㄐㄧㄣ; lei2 gu3 ming2 jin1] to beat the drum and sound the gong (idiom); fig. to order an advance or retreat to egg people on or to call them back ◄ ►