动词
中文翻译：未能实现
同义词：
['fail', 'fail to achieve', 'not succeed']
例句：
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1. The project was never fully realized due to funding issues.
由于资金问题，这个项目从未完全实现。
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2. Despite our best efforts, we failed to reach the target audience.
尽管我们尽了最大努力，我们还是没能达到目标受众。
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3. The scientist's research on renewable energy was a failure, as the technology did not catch on.
这位科学家对可再生能源的研究失败了，因为这项技术并没有得到普及。