取得好成绩可以说：get good grades/get good marks/do well in the exam/get good results。
例句：
I work hard, I get good grades.
因为我努力了，所以我取得了好分数。
I wish I would get good grades.
我祝愿我得到好的等级。
The students still take Latin and Greek, and do well in them. 学生们在学校学习拉丁和希腊语，并取得优异的成绩。 He is keenly resolve to do well in the examination. 他下定决心要在考试中取得优异成绩。 Since she did well in the examinations Alice has been full of herself. 爱丽丝在几次考试中取得优异成绩以后，就自命不凡起来。相关热点： 将来完成时