"Ringing changes" is an idiomatic expression that refers to making significant alterations or modifications. Some synonyms for this phrase include "shaking things up," "making a difference," "implementing changes," "introducing variations," and "bringing about reforms." These phrases communicate the idea of altering the status quo or challenging established norms. Other synonyms might include "revolutionizing," "transforming," "overhauling," "restructuring," "modifying," or "revamping." Whether you're referring to making alterations in a personal or professional context, these synonyms underscore the potential for change and the need to challenge the status quo in order to achieve progress and growth.