worsening

例句：

1. 1. The patient's condition is worsening.
   患者的病情正在恶化。
2. 2. The economy is deteriorating due to the lack of investment.
   由于缺乏投资，经济正在恶化。
3. 3. The quality of the product is deteriorating with each passing day.
   随着时间的流逝，产品的质量正在恶化。