Two people, especially athletes, actors, or musicians, who are working together as a pair can be referred to as a pairing. 搭档
noun [抽象名词]配对;摞合;[机] 双层轧制
It's like the teacher who breaks up the troublemakers in the back row by pairing them with better-behaved classmates. 这就像老师把后排的捣乱分子分开,并把他们与表现较好的同学配对一样。