[no obj.](of someone suffering from a disease) suffer deterioratiuon after a period of improvement (患者病情好转后)重新恶化,(病)复发 ■(relapse into)return to (a less active or a worse state) 返回(先前状态);返回(不佳状态) he relapsed into silence. 他再次陷入沉默。
noun
a deterioration in someone's state of health after a temporary improvement (旧病)复发;恶化 he suffered a relapse of schizophrenia after a car crash. 车祸后他的精神分裂症复发了。
派生 relapser noun 语源
late Middle English: from Latin relaps- 'slipped back', from the verb relabi, from re- 'back' + labi 'to slip'. Early senses referred to a return to heresy or wrongdoing