动词短语
中文翻译：失去动力
同义词：
['run out of steam', 'run down', 'lose momentum']
例句：
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1. The team was running out of steam after the long practice session.
在长时间的训练后，队伍已经没有动力了。
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2. The project is losing momentum as the deadline approaches.
随着截止日期的临近，这个项目失去了动力。
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3. The old man's health was starting to lose steam after years of neglect.
这位老人的健康因为多年的忽视而开始失去活力。