| 1. | A long illness had emaciated the invalid .
长期卧病使这病人瘦弱了。 |
| 2. | She thought of the old invalid gentleman .
她想起了生病的老先生。 |
| 3. | The invalid lay propped on the pillows .
那病弱者倚靠在枕头上。 |
| 4. | Your action has rendered our contract invalid .
你们的这种做法导致双方的合同失效。 |
| 5. | This certificate is invalid .
这张证明已失效。 |
| 6. | The student was late and gave an invalid excuse .
这学生迟到了，并且做了一个不得力的辩解。 |
| 7. | This certificate is invalid .
此证明无效。 |
| 8. | Mrs. du quesnay, he knew, supported an invalid husband .
他知道，杜奎斯奈夫人赡养残废的丈夫。 |
| 9. | After the old man died, his children found that his will was invalid .
这位老人死后，他的子女们才发现他的遗嘱是作废的。 |
| 10. | He has a hard cross to bear; his wife is an invalid and his own health is not good .
他负担很重，妻子残废，自己身体又不好。 |
