leave no stone unturned

• Faire preuve de la plus grande diligence, examiner ou chercher de manière exhaustive dans toutes les directions, sans laisser aucun aspect non exploré ou non vérifié.

To make every possible effort, to search or investigate thoroughly in every direction, leaving nothing unexplored or unchecked.

1. Exhaust all possibilitiesB2formal

   To make every possible effort to achieve something or find something, leaving nothing unexplored.

   ne laisser aucune pierre non retournée

   • The detective left no stone unturned in his search for the missing child.
   • We will leave no stone unturned to find a cure for the disease.
   • The team left no stone unturned while preparing for the championship.