名词
中文翻译：Unknown
同义词：
['Sharper', 'sharper than', 'sharpest']
例句：
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1. She is a cardsharper at playing chess.
她在下棋方面是个很敏锐的玩家。
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2. The sharper the knife, the more it can cut through tough materials.
刀越锋利，切硬材料就越容易。
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3. The sharper the edge, the better it cuts.
刀刃越锐利，切割效果越好。