to improve; to make better · improvement

In order to improve the students' attitude to their studies, the school let them start class an hour later.

If you want to criticise other people, first you must improve your own methods.

I hope to improve my attitude to work.

Although the life of Chinese people is getting better and better now, there is still room for improvement.

Even if you're really going through hard times, a good friend can improve your spirits.