“渐退”怎么读

寒意渐退.The cold has decreased in severity.洪水渐退.The flood waters are going down.当他的疾病终于渐退, 他的皮肤恢复为原本的颜色.As the final lysis of his disease, his skin returned to its original color....

“渐退”的英语可以翻译为：lysis （热或疾病） ...