I'm not good at sport
You should/shoudn't....
I'm not good at art...
You should/shoudn't....
I'm not good at geography
You should/shoudn't....
I'm not good at English language
You should/shoudn't....
I'm not good at Chinese language
You should/shoudn't....
I'm not good at history
You should/shoudn't....
I'm not good at IT
You should/shoudn't....
I'm not good at science
You should/shoudn't....
I'm not good at music
You should/shoudn't....
I'm not good at maths
You should/shoudn't....