Mangali Figure  92 Bungdoḻ atte usuilaan.
Literal Translation He is dull in school.
Meaning of Figure He is not smart in school. (He needs to study harder than others for the same grade.)
Usage Even though a student is not smart in school, he can still be smart in other things. You may say this to a child, in hopes that he will be challenged to do his best.
Figure metaphor
Image quality; dull
Topic bad behavior; foolishness