Here's why this phrase is used:
* Foxes are known for their intelligence: They are masters of deception, able to outwit predators and find food in challenging situations.
* Their cunning is often associated with trickery: Foxes are known for their ability to use subterfuge and trickery to achieve their goals.
So, when someone is called "as cunning as a fox," it suggests they are:
* Clever and resourceful: They can think quickly and find solutions to problems.
* Manipulative and shrewd: They know how to use their intelligence to gain an advantage, even if it means being dishonest or deceptive.
* Evasive and difficult to catch: They are good at avoiding trouble and getting away with things.
Example: "The detective was as cunning as a fox, able to track down the criminal's every move."