恶化 worsen; deteriorate; take a turn for the worse;exacerbate 使事情恶化 aggravate a matter; 两国关系恶化到今天这个地步, 是令人痛心的。 it is saddening to see that relations between the two countries should have deteriorated to the present state. 病人的病情恶化了。 the patient took a turn for the worse. 形势恶化了。 the situation worsened