Study hard, study hard, concentrate on it, be open-minded, eager to learn, be thirsty for knowledge, be meticulous, make further progress, make further progress.

Draw light through the wall, study hard, hold ice in winter and hold fire in summer, study hard, study hard, eat hard, scrape snow to quench thirst, bear hardships and stand hard work, gather fireflies for snow, gather fireflies to reflect snow, and be very willing to work hard.