老师建议这位成绩不佳的学生参加课后辅导班。

The teacher suggested that the ___underachieving student join the after-school tutoring program.

尽管她很有天赋，但由于缺乏动力，她被认为是表现不佳的学生。

Despite her talent, she was considered ___underachieving because of her lack of motivation.