make a clean breast of
US /meɪk ə kliːn brest əv/
UK /meɪk ə kliːn brest əv/

1.
faire amende honorable, tout avouer
to confess fully, especially about something bad or illegal that one has done
:
•
He decided to make a clean breast of it and tell his parents about the broken vase.
Il a décidé de faire amende honorable et de raconter à ses parents l'histoire du vase cassé.
•
It's better to make a clean breast of your mistakes now than to let them fester.
Il vaut mieux faire amende honorable de vos erreurs maintenant plutôt que de les laisser s'envenimer.