English version

cross the Rubicon

From Longman Dictionary of Contemporary Englishcross the Rubiconcross the RubiconEFFECT/INFLUENCEto do something that will have extremely important effects in the future and that you cannot change Rubicon
Examples from the Corpus
cross the RubiconBut tormented though I was with guilt and self-doubt, I knew I had crossed the Rubicon.On the way to political union we are now crossing the Rubicon.General Bourbollon's troops are gathering around the capital; he's prepared to cross the Rubicon.
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