名词
中文翻译：先生
同义词：
['Sir', 'Mr.', '先生']
例句：
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1. Please address me as "Mr. Smith" when speaking to me.
请在与我交谈时称呼我为“史密斯先生”。
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2. The teacher addressed the class with a stern tone.
老师用严肃的语气讲话。
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3. He is always ready to lend a helping hand to anyone in need.
他总是愿意帮助需要帮助的人。