/ˈkɜːfjuː/ – noun
Definition: giờ giới nghiêm.
A more thorough explanation: A curfew is a regulation or rule that restricts the movement of people or the operation of businesses during specific hours, typically during the night, imposed by a government or other authority for reasons of public safety or order.
Example: The city imposed a curfew from 10 p.m. to 6 a.m. to maintain public safety during the protests.