1)biunique,一对一的2)one to one,一对一的3)one-one,一对一的4)one-for-one translator,一对一（的）翻译5)a straight fight,一对一的竞选6)Single,一对一的比赛7)one one mismatch,一对一的不对应现象8)One-to-one english language courses with full board accommodation,一对一的英语学习课程，提供住宿。9)pair,一对10)twain,一对