Hello! 大家好 我们是戴尔老师 Victor. 

Nancy.

He's a fresh man in high school.

This means your first year in high school or in college.

Right. We don't say: Grade one. We say: fresh man or ninth grade.

But ninth grade is only for high school. 

Ok. He is a fresh man in high school.

He's a fresh man in high school.

He's a fresh man in college.

He's a fresh man in college.

That's all for today.

Bye-bye!

Bye-bye!