One-to-one

Essentially it's a one-to-one match, but the content of that match is a level so high as to be unthinkable to an ordinary person.

Just getting one-to-one guidance was enough to make it an extremely fulfilling practise session.

We had a one-to-one session with the teacher.

Tom has a one-to-one teaching assistant at school.

There are no exact one-to-one equivalents between English and Latin words.

There is a one-to-one relationship between days with large cash shortages and his workdays.

a one-to-one discussion

a one-to-one teaching session

And though [Jesse] Armstrong[…] continues his avoidance of easy one-to-ones, there’s more than a whiff of Elon Musk to Venis […].