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- He knew（that）he should work hard. 他知道他应该努力工作。
- He should work harder. 他应该更加努力。
- First and foremost, I think you should work harder on your biology. 首先，我认为你应该多在生物学上下功夫。
- The import of his remarks was that we should work harder. 他的演讲的含义是我们要更努力。
- In a word, we should work harder than ever. 总之,我们应当比过去更加努力工作。
- Perhaps next time you should work harder. 也许下一次你应该更加努力。
- You should work harder, I think. 我认为你应该努力点工作。
- I should work harder and earn more money. 我应当更卖力地工作,挣更多的钱。
- It's time that you should work hard at English. 你们应该努力学习英语了。
- If I were you, I should work hard at English. 如果我是你,我会努力学英语的。
- He is working hard at his studies for fear that he should fail. 他学习非常努力,唯恐考试会不及格。
- We should work hard to recover the lost time. 我们应该努力工作弥补损失的时间。
- He's working hard for fear that he should fail in the exam. 他加紧学习唯恐考试不及格。
- I mean you should work hard on your study. 我的意思是你应该努力学习。
- It's the best that you should work hard. 你最好还是努力工作。
- You should work hard,or you'll receive a pink silp. 你要努力工作，不然会收到解聘书。
- We should work hard and intelligently, not blindly. 要苦干加巧干，不要蛮干。
- We should work hard to make more money. 我们应当努力工作去挣更多的钱。
- We should work hard at our lessons. 我们应该努力学习我们的功课。
- He should work to make changes in himself, including changes in his style of work. 每个人从自身的角度，包括自己的作风等方面，都要有变化，要自觉地变化。
