It’ll be okay after a lick of paint.

【lick】刷上一点油漆就行了。

The government promised change but four years on the only change I can see is a lick of paint on the wooden bars to make the cages look more cheerful.

政府承诺改变这一现状，但4年过去了，我唯一看到的变化就是笼子的木条刷了一层新漆，为了让病人看到笼子心情稍好一点。