你的学习成绩下降了，不是吗的翻译：Your academic performance has declined, do not 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Your poor academic performance, is not it

Your academic performance has declined, do not

Your academic record dropped, not right

The study results has been on the decline, you are not?

Your academic performance has declined, do not