Sports are not a priority now. You need to refocus and improve your grades.现在运动不是最主要的事,你得把注意力放到提高成绩上。He never lifted a finger to try to improve his failing grades.他考试不及格,却从不努力提高成绩。He worked assiduously to improve his grades.他刻苦学习以提高成绩。Her efforts to improve her grade were too little, too late. 她为提高成绩所做的努力太少也太迟了。