| 1. | Chemical degradations are laborious and time-consuming .
化学降解法复杂且费时间。 |
| 2. | Their installation proved a laborious undertaking .
要来安顿这些人，确实是一件麻烦的事情。 |
| 3. | This is a little laborious .
这有点太嗦。 |
| 4. | You may have the impression that this process is usually laborious .
你可能认为这种方法是艰难的。 |
| 5. | The computation of approximate solutions was an extremely laborious task .
近似解的计算是极其繁重的工作。 |
| 6. | The distance seemed interminable, and the walk was most laborious .
距离好象无穷无尽似的，走起来真够吃力。 |
| 7. | Making a road from ledo to china was also an immense, laborious task .
从利多建筑一条通往中国的公路，也是一个巨大而艰苦的任务。 |
| 8. | We should not despise plain features, nor a laborious yet honest occupation .
我们不应该看不起相貌平常的人，也不应该看不起辛苦而正直的职业。 |
| 9. | On the contrary, i took up another resolution, which was more safe, though more laborious .
相反地，我作了另外一个决定，虽然比较费劲，却比较安全。 |
| 10. | His anxious and laborious efforts were likely, at last, to be crowned with the happiest success .
他那番急切而辛苦的努力大概终于就要获得最愉快的成功了。 |
