成绩下降了
The grades have dropped.
以上为机器翻译结果，长、整句建议使用 人工翻译 。
我的成绩下降了。
My grades went down.
youdao
你更注重个人的生活而不是学习，难怪你的成绩下降了。
You're giving more priority to your personal life than to your studies. No wonder your grades are suffering.
You're giving more priority to your personal life than to your studies. It's no wonder your grades are suffering.
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