名词
中文翻译：双重买卖者
同义词：
['sham', 'double-crosser']
例句：
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1.He was accused of being a doubledealer in his dealings with the company.
他被指控在与公司的交易中是双面人。
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2.The doubledealer tried to hide behind the law to get away with their crimes.
这个双面人试图利用法律来逃避他们的罪行。
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3. The doubledealer's actions have caused significant damage to the company's reputation.
这个双面人的行为已经严重损害了公司的形象。