柯林斯詞典sharpen /??ɑ?p?n/ (sharpening,sharpened,sharpens) 1. V-T/V-I If your senses, understanding, or skills sharpen or are sharpened, you become better at noticing things, thinking, or doing something. 使敏銳; 增強(qiáng) Her gaze sharpened, as if she had seen something unusual. 她眼睛一亮,好像看到了不尋常的東西。 He will need to sharpen his diplomatic skills in order to work with Congress. 他將需要增強(qiáng)外交技巧以與國(guó)會(huì)打交道。2. V-T If you sharpen an object, you make its edge very thin or you make its end pointed. 使變鋒利; 弄尖 He started to sharpen his knife. 他開(kāi)始磨刀。 返回 sharpened