The government's promises to improve the healthcare system were just eyewash to calm public anger.

### 解释 eyewash 是由 eye（眼睛）和 wash（冲洗）组成的复合词，字面意思是"洗眼液"。在俚语中引申为"虚假的安慰"或"空话"，指那些看似美好但实际上毫无实质内容的承诺或声明。