名词
中文翻译：油头
同义词：
['slick', 'smooth-talker']
例句：
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1.He's a sapphead who always talks big but never delivers.
他是个油头滑脑的人，总是夸夸其谈但从不兑现。
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2. The politician was criticized for his sapphead behavior during the campaign.
这位政治家因竞选期间的油腔滑调行为受到批评。
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3. She found herself in a sapphead's world of lies and deceit.
她发现自己陷入了一个谎言和欺骗的世界。