English主要词典
one-to-one
Universal Words
(especially BrE) (AmE usually one-on-one) adjective [usuallybeforenoun]
1 between two people only:
a one-to-one meeting * Teachers do not have much time for one-to-one contact with their students.
2 matching sth else in an exact way:
There is no one-to-one correspondence between sounds and letters.
one-to-one adverb:
He teaches one-to-one.
