动词短语
中文翻译：突然崩溃
同义词：
['collapse', 'fail', 'collapse']
例句：
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1. The economy is expected to spring a knockout blow at the end of the year.
预计经济在年底会突然崩溃。
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2. His plan was a complete failure, and he felt like a knockout.
他的计划完全失败，他感到自己像突然垮掉一样。
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3. After a long day of work, she collapsed from exhaustion.
工作了一整天后，她因疲惫而突然垮掉。