| 21. | She is vain of her voice. |
| 她自以为她的声音了不起。
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| 22. | She is vain and foolish, and yet people like her. |
| 她自负而愚蠢，然而人们喜欢她。
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| 23. | His efforts to get her back where vain . |
| 他争取她回来的努力都白费了。
|
| 24. | After a number of vain attempts to climb the mountain we were forced to return to camp. |
| 经过徒然的登山尝试，我们被迫回到营地。
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| 25. | Their blood was not shed in vain . |
| 他们的血没有白流。
|
| 26. | I pleaded for him in vain . |
| 我为他辩护未成。
|
| 27. | We tried in vain to find our way out. |
| 我们试图找一条出路，但没有成功。
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| 28. | They tried in vain to whip the school into shape. |
| 他们企图强制改革该校，但没有成功。
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| 29. | take sb's name in vain use a name, esp God's, disrespectfully |
| 滥用(尤指上帝的)名字; 亵渎上帝之名
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| 30. | vain promises, triumphs, pleasures |
| 空头的许诺, 虚无的胜利, 空欢喜
|