努力学习：用于鼓励或提醒人们要认真用功学习，努力取得好成绩。
我十五岁，努力学习(Study hard)物理和英语(English)，盼望能走进F1工作人员的队列，你认命比抱怨还要好，对于不可改变的事实，你除了认命以外，没有更好的办法了...
hard（努力的、坚固的）work hard（工作努力） study hard（学习努力）
第二段写自己要怎么做，例如多做些家务（do some chores），洗衣服（do the laundry），当然，还要 好好学习 （ study hard ）。第三段要写一些实际行动，就是自己怎么做的。
... Hard To Study 刻苦攻读 study hard 努力学习 ; 刻苦学习 ; 学习努力 ; 好好学习 study hard 努力学习 ...
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。
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。
We study hard and play hard.
我们既努力学习又尽情地玩。
My mother always told me, if you study hard, the answers should be right under your nose or easily seen.
VOA : special.2009.09.13
And as far as right now, just study hard, learn the material that will help you succeed.
就现阶段来讲，最重要的是勤奋学习，有一些知识是走向成功必不可少的，你要好好学习这些知识。
SpeakingMax英语口语达人 : 如果是在考虑留学
But also to teach him discipline and to work hard and to study hard
但还要教会他纪律、努力工作和好好学习，
SpeakingMax英语口语达人 : 要成为好爸爸
He said they believed that to study hard and perform well in school was "acting white."
VOA : special.2009.11.01
The president's message to students was simple: study hard,pay attention in class and embrace the opportunity to learn.
VOA : standard.2009.09.08
And we expect people to earn it -- study hard, work hard for it.
We work and we hustle, you study hard to get your degree -- because you believe in success and individual initiative.
WHITEHOUSE: President Obama Speaks on Student Loan Interest Rates in Colorado | The White House
Those that did study hard became accountants or bankers, estate agents with big commissions or managers for big conglomerates or the government.