守望相助 [ㄕㄡˇ ㄨㄤˋ ㄒㄧㄤ ㄓㄨˋ; shou3 wang4 xiang1 zhu4] to keep watch and defend one another (idiom, from Mencius); to join forces to defend against external aggressors mutual help and protection ◄ ►