ˌone-on-ˈone adjectiveadj between only two people 一对一的，仅限于两人之间的 Virtually all instruction is in small groups or one-on-one. 几乎所有的指导都以小组或一对一的形式进行。
—one-on-one adverbadv Often, the employer just called in the drivers and bargained with them directly, one-on-one. 雇主通常是把司机叫进来，直接和他们一对一地讨价还价。
one-on-one• Kids need one-on-one attention.