My teacher 's always bagging to my parents about my bad grades.

我的老师总是会找我父母说我的表现，因为我的分数很差。

youdao

I have to go home now and face the music. My parents found out about my bad grades.

我必须回家接受惩罚，我的父母发现了我的坏成绩。

youdao

My grades are not bad, but not good enough.

我的成绩不差，但还不够好。

youdao