Don't eat in the classroom!

不要在教室里吃东西！

Can we eat in the classroom?

我们可以在教室里吃东西吗？

Amy, don't eat in the classroom.

艾米，不要在教室里吃东西。

And we can't eat in the classroom, but we can eat in the dining hall.

我们不能在教室里吃东西，但可以在餐厅吃。

The school does not allow students to eat in the classroom.

学校不准学生在教室里吃东西。