His health is declining.
他的健康日渐衰退。

2.favour 偏爱

I wouldn't be in favour of income tax cuts
我不会支持削减所得税。

3.smartphone 智能手机

Are you addicted to your smartphone?
你是不是对智能机上瘾了？
 

4.vital 至关重要的

His function is vital to the accomplishment of the agency's mission.
要完成该机构的使命，他的作用至关重要。