复发

例句：

1. 1.After the surgery, she had a relapse of her condition.
   手术后，她的病情复发了。
2. 2.The patient's condition worsened and he experienced a relapse.
   患者的病情恶化，他经历了一次复发。
3. 3. Doctors are monitoring the patient closely to prevent any future relapses.
   医生们正密切监控患者，以防未来复发。