vain
英[vein]美[vein]
a.
1. 无价值的；无实在意义的；无关紧要的
2. 徒劳的；无效的；无结果的；不成功的
3. 自负的；自视过高的；爱虚荣的
4.【古】愚蠢的
参考例句：
All their attempts to rescue the child from the burning building were in vain.
他们想从燃烧的大楼中救出小孩的所有尝试都是徒劳的。
1. 无价值的；无实在意义的；无关紧要的
2. 徒劳的；无效的；无结果的；不成功的
3. 自负的；自视过高的；爱虚荣的
4.【古】愚蠢的
参考例句：
All their attempts to rescue the child from the burning building were in vain.
他们想从燃烧的大楼中救出小孩的所有尝试都是徒劳的。
| 同： |
- Everything was done to discover some trace of him, but in vain.
尽管人们费尽心机，寻找他的下落，都毫无结果。收藏 - His wife was a much less pleasant person than he was,overdressed and as vain as a peacock.
他妻子远没有他那样对人谦和。她过分打扮，而且十分傲慢。收藏 - So that things are not quite so bad hereabouts as in many parts of the country, where the good breezes blow altogether in vain-'-
所以这个地方的情形还不至于像全国其他地方那么糟糕，任由阵阵好风从身边白白吹过……收藏 - We tried to engage him in conversation, but in vain.
我们设法使他和我们谈话，但没成功。收藏 - Once gone, the yellow crane will never on earth alight; only white clouds still float in vain from year to year.
黄鹤一去不复返,白云千载空悠悠收藏
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