成绩chéng jì
achievement, performance records提高tí gāo
to raise, to increase校长xiào zhǎng
(college, university) president班bān
team, class, squad, work shift练习liàn xí
exercise, drill, practice要求yāo qiú
to request, to require, to stake a claim认真rèn zhēn
conscientious, earnest, serious