1·It's important to study hard, but don't overdo it.
刻苦学习很重要，但不要超过极限。
—— 《柯林斯英汉双解大词典》
2·If you study hard, you can make the roll of honour.
如果你努力学习，你就能上荣誉名册。
—— 《柯林斯英汉双解大词典》
3·I must study hard to make it possible.
我必须努力学习，使之成为可能。
4·If you study hard, your dream will come true.
如果你努力学习，你的梦想就会实现。
5·I'm going to study hard and do well in physics.
我会努力学习，学好物理。
6·We should study hard so that we can get much knowledge.
我们应该努力学习以便获得更多的知识。
7·Each of us should study hard and do something for our country.
我们每个人都应该努力学习并且为我们的国家做些什么。
8·If we do not study hard, sooner or later, we will fall behind the other students.
如果我们不努力学习，我们迟早会落后于其他同学。
9·I want to be a doctor. I believe our dreams will come true if we study hard!
我想成为一名医生，我相信如果我们努力学习，我们都会梦想成真！
10·On video, Doctor Zhong Nanshan encouraged teenagers to study hard in the first lesson of this term.
在视频中，钟南山医生在本学期的第一课上鼓励青少年努力学习。