/tə sɜːv ɪn ə pɪˈnɪtənʃəri (ɪn ə ˈprɪzn)/ – Phrase
Definition: chấp hành án tù (dài hạn hay chung thân).
A more thorough explanation: To serve in a penitentiary means to be incarcerated or detained in a prison facility as a punishment for a crime or offense.
Example: The defendant was sentenced to serve five years in the penitentiary for the crime of armed robbery.