/ˈpraɪər dɪˈtenʃn/ – Phrase
Definition: lần tống giam trước, lần giam giữ trước.
A more thorough explanation: “Prior detention” refers to the act of detaining or holding someone in custody before a formal legal process or trial has taken place. It typically refers to the period of time when a person is held in custody before being formally charged with a crime or before a trial begins.
Example: The suspect was questioned by the police prior to detention.