The definition of well rounded is someone who is skilled, capable or knowledgeable in a lot of different things, or something that covers a lot of different areas or subjects. An example of a well rounded person is someone who is good in school, plays sports and has a good relationship with his family.
下面的网页提供了更详细的做法: How to Become a Well Rounded Person
http://www.wikihow.com/Become-a-Well-Rounded-Person?