告急gào∥jí报告情况紧急并请求援救(多指军事、灾害等{of a war, a disaster, etc.}){be in a state of emergency; report an emergency; ask for emergency help}: 前线～{The front-line units signalled for help.}|灾区～{The disaster-stricken area reported an emergency.}|～电报。{emergency telegraph}