You must study harder (or) else you'll fail in the English examination.

你努力学习, 不然的话, 英语考试不及格的。

Each boy and each girl works hard.

每个学生都努力学习。

It's necessary for us to study hard .

努力学习。

The threat of unemployment has spurred students on to work harder at their studies.

失业的威胁促使学生更加努力学习。

You don't study hard, thence no good mark.

你不努力学习, 因而没有好分数。

Would you want a ducter doctor who get a got high marks in middle medical school just for a trying really, really hard.

你成为一个仅仅靠努力学习而得到高分的医学院学生吗？

Many days after this examinatorial period I would go home,I do miss you so much,and I know you're worried about my study ,I won't disappoint you.

你担心的学习知,努力学习不让你失望的.就写这些吧.

It doesn't take long for freshers to adopt the Oxford way of life — working and playing hard, and feeling equally comfortable in black tie, subfusc (formal academic dress) or fancy dress.

大学新生不需要很长时间就能适应牛津的生活方式----努力学习，尽情娱乐，同样舒适的黑色领带，暗色系的（正式学位服）或者奇装异服。