Английский словарь американских идиом - pair off

{v.} 1. To make a pair of; put two together; associate; match. * /Mrs. Smith paired off her guests by age and tastes./ 2. To belong to a pair; become one of a pair. * /Jane paired off with Alice in a tennis doubles match./ 3. To divide or join into pairs. * /Later in the day the picnic crowd paired off for walks and boat rides./