| 单词 | in vain |
| 释义 | in vain without success；without effect徒劳地；无效地 *He passed his life in vain．他虚度了一生。 *The drowning man called in vain for help．溺水者求救无门。 *All the doctor's efforts were in vain and the man soon died．医生所有的努力都无效，那个人很快就死了。 |
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英汉词典包含213609条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。