/ˈprɪzən ˈʌpˌhiːvəl/ – Phrase
Definition: cuộc nổi loạn trong nhà tù.
A more thorough explanation: “Prison upheaval” refers to a disturbance or disruption within a prison facility, typically involving acts of violence, rioting, or other forms of unrest among inmates or staff members.
Example: The prison upheaval resulted in a lockdown and increased security measures being implemented throughout the facility.