one-to-one

• 形容两个人或事物之间直接、一对一的关系或互动，常用于教育、商业或计算机领域。

Describes a direct relationship or interaction between two people or things, often used in education, business, or computing.

1. Correspondence between setsB2formal

   Describes a relationship where each element of one set is paired with exactly one element of another set, and vice versa.

   一一对应

   • There is a one-to-one correspondence between the students and their ID numbers.
   • The mapping of inputs to outputs in this function is one-to-one.
   • In a one-to-one relationship, each item is uniquely matched.

2. Direct personal interactionB1formal

   Involving two people directly, without others present.

   一对一的

   • The manager scheduled a one-to-one meeting with each employee.
   • She prefers one-to-one tutoring over group classes.
   • A one-to-one conversation can be more effective than a group discussion.

   同义词face-to-faceindividualintimateone-on-oneperson-to-personpersonalprivate