Her work is getting better and better.

她的工作干得越来越好了。

His grades get better and better.

他的成绩越来越好了。

Even after all these years, I want to get better and better.

即使过了这么多年，我还是想变得越来越好。

We believe that under your leadership, the students' union will become better and better.

我们相信在你的领导之下，学生会将会变得越来越好。

You speaks Chinese better and better.

你的中文讲得越来越好了！