Complex sentence: A common English colloquial replacement for the phrase would be'the done thing'; the French term "de regueur" is not translated "the done thing"; "the done thing" translates into French "fait accompli".
Split into simpler sentences: A common English colloquial replacement for the phrase would be'the done thing'. The French term "de regueur" is not translated "done thing"; "done thing" translates into French "fait accompli".