ring the changes
idiomPart ofring
ring the changes — idiom
1. to vary the way you do something by making small changes, especially to add vari
1.idiom
Definition
to vary the way you do something by making small changes, especially to add variety or interest.
Example
The chef rings the changes by adding different herbs to the basic recipe each week.
To keep the class interesting, the teacher rings the changes between group work and lectures.