In such circumstances the school had to take extraordinary measures.在这样的情形下，学校不得不采取特别措施。Special measures are being taken to protect the local water supplies.现正采取特别措施以保护当地的供水。The government is introducing special new measures to deal with prison riots and disturbances.政府正在采取新的特别措施应付监狱骚乱。