grades

1.

成績

a particular level of rank, quality, proficiency, intensity, or value.

:
sea salt is usually available in coarse or fine grades
2.

成績

a mark indicating the quality of a student's work.

:
I got good grades last semester
1.

成績

arrange in or allocate to grades; class or sort.

:
they are graded according to thickness
2.

成績

give a mark to (a student or a piece of work).