answer: Studying English is a great satisfaction to #Person2# but hard work to #Person1#.
documents: #Person1#: What do you like to do with your free time?
  #Person2#: Study English.
  #Person1#: You mean you like to study English? Why?
  #Person2#: It gives me great satisfaction.
  #Person1#: Studying English wouldn't give me any satisfaction. It's hard work.
  #Person2#: I don't mind the work. I think it's worthwhile.