Bending the rules suggests a minor or cunning alteration rather than outright breaking them. To close the shop early, the manager bent the rules and said it was for inventory.
Pro Tip 2/3
Situational Ethics
The phrase is often used in contexts where rules may seem too rigid or impractical. The nurse bent the rules to allow the boy to see his puppy in the hospital.
Pro Tip 3/3
Justifiable Means
It's sometimes viewed positively, as a way to achieve a greater good or fairness. The librarian bent the rules for the homeless man, letting him stay past hours.