| 1. | He worked hard at his studies in early childhood
他从小就认真读书，刻苦学习。 |
| 2. | My english is very poor , so i must work hard at it
我的英语很差,所以我得努力学习它 |
| 3. | He worked hard at first , but he has eased up lately
他最初努力工作,但他近来已放松。 |
| 4. | In order to master english we must work hard at it
为了掌握英语，我们必须努力学习它。 |
| 5. | We have to work harder at cheering up the patients
我们更要努力些，使病人们振作起来。 |
| 6. | Yes , and you guys have certainiy worked hard at the church
你们为教会做的努力没有白费 |
| 7. | The government worked hard at improving the quality of education
政府致力于改善教育品质。 |
| 8. | My english is very poor , so i will work hard at it
我的英语水平很差，所以我得努力学习它。 |
| 9. | Because i really did work hard at putting them together
因为这确实花了我太多的心血在里面。 |
| 10. | So i should work harder at it
因此，我们应该努力练习（汉语书法） 。 |
