一対一
also: いったいいち
Meanings
1
noun which may take the genitive case particle 'no', noun
one-to-one; one-on-one
Describes a direct, individual pairing or confrontation between two people or things. Common in sports, debates, teaching, and comparisons.
We had a one-on-one match in soccer practice.
We set aside time for the teacher and student to talk one-on-one.
Usage patterns
- 〈人〉と一対一で話すto talk one-on-one with someone
I was given time to talk one-on-one with the teacher.
- 一対一で戦うto fight/compete one-on-one
In the final, it came down to a one-on-one match.
- 一対一で指導するto teach/coach someone one-on-one
At this cram school, they teach students one-on-one.
- 一対一の対応a one-to-one correspondence (e.g. in math or logic)
This function forms a one-to-one correspondence.