Passive effort to active effort. In high school, the hard work in many situations is not because I am willing to work hard, but not working hard. In university, no one supervises and manages oneself, and learns on their own initiative.
Passive effort to active effort. In high school, many situations of effort is not their own willing to work hard, but not hard. In the university, no one urges the management of their own, with their own initiative to learn.