emergency
习惯用语in an emergency (=in case of emergency)1.■遇到紧急情况, 在紧急关头rise to the emergency1.■能够应付紧急事变rise to the occasion1.■能够应付紧急事变特殊用法dead man emergency1.■“安全警惕”紧急制动high-pressure emergency1.■高压紧急制动nondelayed emergency1.■不延迟的紧急制动transportation emergency1.■运输非常状态