beat the gongs (recall the troops);beat a retreat;call off the battle
鳴金收兵mínɡ jīn shōu bīnɡ
鳴金：敲鼓，古代作戰(zhàn)時(shí)收兵的信號(hào)。敲鼓讓士兵撤回營(yíng)地。比喻結(jié)束戰(zhàn)斗。beat the gongs and withdraw the army, call off a battle, sound a gong to recall one’s troops