| 单词 | sharpen up |
| 释义 | sharpen up ergative phrasal verb See full dictionary entry for sharpen If you sharpen something up, or if it sharpens up, it becomes smarter or better than it was. [informal] The fashion designers have sharpened up their act in the last few years. [VERB PARTICLE noun] If he really wants to sell his product, he'll have to get his marketing boys to sharpen up. [VERB PARTICLE] |
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