数学成绩不好用英文怎么说

"My math grades are not good" 可以说成 "My performance in math is poor" 或 "I struggle with math"。

这是一种常见的说法, 在日常英语交流中可以表达数学成绩不好的意思.

例句：

"I'm not good at math, but I'm working hard to improve."
"我数学不好，但我正在努力提高。"
"I've always struggled with math, but I'm determined to pass this course."
"我一直在数学上苦苦挣扎，但我决心通过这门课程。"
"I'm really struggpng in my math class, but my teacher is helping me to understand the material better."
"我在数学课上遇到了很大困难，但我的老师正在帮助我更好地理解这门课程。"