名词
中文翻译：Unknown
同义词：
['night watchman', 'night guard', 'night sentinel']
例句：
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1. Thenight porter was responsible for the security of the hotel's entrance.
夜班守卫负责酒店入口的安全。
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2. The night porter was on duty at the gate when a thief attempted to break in.
夜班守卫在大门执勤时，一个小偷试图闯入。
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3. The night porter had to stay awake all night to ensure the safety of the guests.
夜班守卫必须整夜保持警觉，确保客人的安全。