take turns in something do something

Từ điển Oxford Advanced Learner 8th

take ˈturns (in sth/to do sth) idiom
(BrE also take it in ˈturns)if people take turns or take it in turns to do sth, they do it one after the other to make sure it is done fairly
•The male and female birds take turns in sitting on the eggs.
•We take it in turns to do the housework.
•The kids took turns on the swing.
Main entry: ↑turn_idiom