one-on-one /ˌwʌnɑnˈwʌn/ adjective Learner's definition of ONE-ON-ONE
: involving two people who are dealing with or competing against each other directly一对一的 -
a one-on-one meeting/discussion一对一的会见/讨论
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a one-on-one defense/competition一对一的防守/比赛
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one-on-one tutoring一对一的辅导