Well, i was smarting under a sense of defeat . 我算是打了敗仗了,真叫人痛心切齒。
They are a company of celibates, grinding harshly against one another, and growing daily more calloused from the grinding . 他們是一隊獨身漢,相互磨牙切齒,因此一天天變得更冷酷無情起來。
Terms in metal cutting tools . gear cutters 金屬切削刀具術(shù)語切齒刀具