你必须用功读书。
You must study hard by any means.
无论如何你必须努力学习。
You must study hard or you'll fail.
你必须用功读书，要不然就会被当掉。
While in school, you must study hard.
他学校时，你必须用功读书。
You must study hard if you want to study well.
如果你想学习好，你就得努力学习。
You must study hard; or else you will fail.
你一定要努力学习，不然就会失败。
You must study hard for the benefit of your own.
为了你自己的利益你必须努力学习。
If you want to be a scientist, you must study hard.
如果你想成为科学家，就必须努力学习。
You must study hard if you intend to follow the law.
如果你想当律师，就得努力学习。
You must study hard, or else you'll fail in the exam.
你必须努力学习，不然你考试就不会及格。
In order to improve your English, you must study hard.
为了提高你的英语，你必须努力学习。
You must study hard in order not to fail the exam again.
为了不在考试中再一次不及格，你必须努力学习。
Your parents are very pity, you must study hard for your parents.
你的父母不容易，可要好好学习为他们争光啊。
You must study hard, because it is related to your future very much.
你要努力学习，这和你的未来有极大的关系。
When I just went to school, mother often said to me: "you must study hard. " At that time, I nodded but I didn't really understand.
刚上学时，妈妈常跟我说：“你要好好读书。”那时的我，似懂非懂地点着头。
The teacher said to the students with a smile, "You must study hard and serve our country when you grow up. " …Teacher smiles was saying …
老师笑着对同学们说：你们一定要好好学习，长大后报效祖国…
Aspire to success, you must study hard, devotion, constancy to read a book. As students, the school's goal is to better white water rafting books, reading success.
立志成才，必须努力读书，专心致志，持之以恒地读书。作为莘莘学子，来学校的目标就是更好的泛舟书海，读书成才。
Come on. It's normal. Now the business is hard to do. Yeah, you are right. We must work and study hard.
加油。很正常。生意很难做。你说的有道理，我们必须努力学习和工作。
I must thank you for your hard work. I'm so glad to have won this opportunity, which is valuable to me. From this activity, I get a lot. I hope I can come here again to study further next time.
非常感谢你们辛苦的工作，很高兴能赢得这次珍贵的机会，从这次活动中我受益颇多，我希望下次可以再次来到这里继续学习。
So studying English needs patience. You must try your best to study the language no matter how hard it is. Don't give up, and we will succeed at last!
学习英语需要耐心，你必须尽你最大的努力，无论多困难都不要放弃，最后就一定会成功的，我们一起加油吧！
I must cherish the time, study hard, otherwise how can you be top special infantry?
我一定要珍惜时间，好好学习，不然怎么能当上特种步兵呢？
Constantly your knowledge must be updated if not, in no time, you are outdated. Study hard and make progress every day.
我们应该不断充实知识提升自我，不然很快就要被淘汰。好好学习天天向上。
Constantly your knowledge must be updated if not, in no time, you are outdated. Study hard and make progress every day.
我们应该不断充实知识提升自我，不然很快就要被淘汰。好好学习天天向上。
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