After four years of college, even if you start from zero, you can reach proficiency, such as physical fitness, basketball, badminton and so on. Fine arts painting, calligraphy, singing; Cultural writing and so on. In short, you should find a correct direction, and then spend most of your spare time on this project, and strive to raise it to a better level than everyone around you. At that time, you will come back to thank me.