I'm going to study harder in school next year.

明年我要在学校努力学习。

youdao

As middle school students, we must study harder so that we can make our country more powerful in the future and stop any such things from happening again.

作为中学生，我们必须更加努力地学习，这样我们就可以使我们的国家更加强大的未来和停止任何这样的事情再次发生。

youdao

We all know that the entrance exam of high schools coming in the year of 2009 is a big challenge for us, so we must study harder and harder in order to go to a good high school.

我们都知道，2009年来的高中入学考试对我们来说是一个巨大的挑战，所以我们必须努力学习，努力去上一个好的高中。

youdao

Students will be forced to study harder in secondary school and suck everything out of that free public opportunity, instead of waking up to the importance of education at age 20.

FORBES: The Crotty Plan: Cut 25% Off the Federal Budget Now