动词
中文翻译：落后
同义词：
['fall behind', 'lagging', 'trailing']
例句：
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1. The team's performance was significantly lag behind the competition.
该队的表现明显落后于竞争对手。
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2. The car was so old that it had to be replaced after just a few months.
这辆车太旧了，几个月后就不得不更换了。
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3. The project was delayed due to the unexpectedly poor weather conditions.
由于天气条件出乎意料地恶劣，该项目被推迟了。