cross the rubicon

listen to the pronunciation of cross the rubicon
İngilizce - Türkçe
İngilizce - İngilizce
To make an irreversible decision or to take an action with consequences

He knew that by coming out to his family he would be crossing the Rubicon but he could not live a lie anymore.

{f} make a major decision; make a major step or move
cross the rubicon