| 1. | The steak was so tough that he couldn't eat it . 那牛排硬得他没法吃。 |
| 2. | In fact i know such tough guys . 实际上我是了解那些铁石心肠的人的。 |
| 3. | She is tough and strong and clever . 她很坚强,身体也好,人又机灵。 |
| 4. | We had better then be as tough as nails . 我们最好要做到冷酷无情。 |
| 5. | Eskimos use seal to make tough threads . 爱斯基摩人用海豹皮做坚韧的线。 |
| 6. | He has to associate with tough criminals . 他与那些死不悔改的囚犯打交道。 |
| 7. | He 'll never pay up unless you get tough with him . 他是决不会把钱付清的。 |
| 8. | Mrs. thatcher is a tough lady . 撒切尔夫人是个坚韧不拔的女人。 |
| 9. | Charts should therefore be printed on tough paper . 海图应以耐磨的纸张印刷。 |
| 10. | When there 's a tough job , he always rushes to do it . 是重活,他都抢着干。 |