
Have teeth
Enforcement Power
Refers to a law or rule's ability to be imposed effectively.

The environmental law has teeth due to the heavy fines for non-compliance.
Serious Consequences
Indicates that there will be significant penalties if the rule is broken.

Beware, the company's new policy has teeth—violators will be suspended immediately.
Implying Urgency
Suggests the matter is important and requires immediate attention.

The boss said the guidelines have teeth and must be applied at once.
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