取得好成绩用英语怎么说

取得好成绩的英文表达是 "achieve good grades." 来源是英语中的动词 "achieve" 和名词 "grades" 的结合。例句如下：

I'm determined to achieve good grades this semester.

She always manages to achieve good grades, no matter how difficult the class is.

He attributes his success in school to his ability to consistently achieve good grades.