sharper
['ʃɑ:pə]
n.
磨具，削具，（赌博中的）骗子;
adj.
清晰;
灵敏的( sharp的比较级 );
锋利的;
狡猾的;
轮廓鲜明的;
例句:
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When you buy new pens, get one with a sharper point.
买新钢笔时要买尖儿比较尖的.
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Going out, the same Broadway taught her a sharper lesson.
从剧院里出来后, 还是这条百老汇大街给她上了更为深刻的一课.
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Now a sharper lash of wind cut down and they huddled closer.
这时,刮起了一阵更刺骨的寒风,他们靠得更拢了.
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Defensively, his team was far sharper, too.
来自WSJ
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To think Crouch is one of our sharper brains.
来自THETIMES
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Divisions were even sharper between whites and Hispanics.
来自WSJ