短语动词
中文翻译：被复杂化
同义词：
['become complicated', 'be troubled by']
例句：
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1.The project was complicated by unexpected delays.
这个项目由于意外的延误而变得复杂。
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2. The new regulations have complicated the process.
新的规章制度使整个过程变得复杂。
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3. The decision to relocate caused her life to become complicated.
决定搬迁使她的生活变得复杂。