/prəˈhɪbɪtɪv ˈruːl/ – Phrase
Definition: quy phạm cấm.
A more thorough explanation: A prohibitive (prohibitory) rule is a regulation or law that explicitly prohibits or forbids certain actions or behaviors. It serves to restrict or prevent specific activities from being carried out.
Example: The prohibitive rule against smoking in public places was strictly enforced by the local authorities.