/ˈɔfɪsər ɪn ˈtrʌbəl kɔl/ – Phrase
Definition: tín hiệu báo cảnh sát về việc có nhân viên cảnh sát đang gặp nạn.
A more thorough explanation: An “officer-in-trouble call” refers to a communication made by a law enforcement officer to request assistance or report a dangerous or emergency situation while on duty. This term is commonly used in police and emergency response contexts to indicate that an officer is in need of immediate help or support.
Example: Please dispatch backup immediately, we have an officer-in-trouble call at the corner of Main Street and Elm Avenue.