形容词
中文翻译：Unknown
同义词：
['superficial', 'perfunctory', 'superficiality', 'perfunctoryness']
例句：
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1. The teacher's lecture was perfunctory, lacking in depth.
老师的讲座草率，缺乏深度。
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2. The project was completed perfunctorily, without any real innovation.
这个项目只是敷衍了事地完成，没有真正的创新。
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3. The presentation lacked enthusiasm and was perfunctory, failing to engage the audience.
演讲缺乏热情，只是敷衍了事，未能吸引观众。