1.However, his symptoms persisted and his condition took a turn for the worse.
persist 持续
Contact your doctor if the cough persists...
如果还是咳嗽就去看医生 。
2.Mr Johnson said the care he received from nurses, doctors and other carers was "exemplary".
exemplary 典范的
Her behaviour was exemplary.
她的行为堪作楷模 。