相濡以沫 "濡"是沾湿的意思 "Ru" in "xiang ru yi mo" means to wet. "沫"是指唾沫 "Mo" means saliva. 原指离开水的鱼相互吐沫沾湿 Originally the phrase means two fish out of water moisten each other 以求得暂时的生存 with saliva to keep each other ...