Not because of my poor academic performance, in fact, my academic performance good, but because I do not have freedom.

并不是因为我的学习成绩差，其实我的学习成绩很好，只是因为我没有自由。

youdao

But I did a very poor academic performance and was quite a black sheep in my family, then I left junior high school without graduation when I was 15 years old.

但是我在学校成绩不好，在家里也是不是个好儿子，15岁的时候初中还没有毕业就辍学了。

youdao

But I did a very poor academic performance and was quite a black sheep in my family, then I left junior high school without graduation when I was 15 years old.

但是我在学校成绩不好，在家里也是不是个好儿子，15岁的时候初中还没有毕业就辍学了。

youdao