Police, weary and increasingly sour in mood, wonder aloud why the situation has been allowed to deteriorate.警察们疲惫不堪,心情也越来越糟糕,他们不禁满腹狐疑地问:为什么听凭情况不断地恶化下去?Her health continues to deteriorate. 她的健康持续恶化。His condition continued to deteriorate.他的情况持续恶化。His health began to deteriorate quite seriously.他的健康状况开始严重恶化。Good relations were allowed to deteriorate.良好的关系被听任渐趋恶化。His hearing began to deteriorate.他的听觉开始退化了。