If you don't study hard in school, you are sure to be failed in the future.

如果你不努力学习，你将来也一定会失败。

youdao

This is the age group when children are first expected to study hard and parents have great expectations of their progress in school.

在这个年龄段，孩子会先被要求努力学习，父母对他们在学校的进步有很高的期望。

youdao

Bill ended the letter with some warm words, encouraging Sam to study hard and do well in school.

比尔以一些温暖的话语结束了信，鼓励萨姆努力学习，在学校取得好成绩。

youdao

He said they believed that to study hard and perform well in school was "acting white."

VOA: special.2009.11.01

So I would have some advice to all of you there, which is study really hard in school, listen to your teachers.

WHITEHOUSE: President Obama's call to the International Space Station