词汇 | sharpen up |
释义 | sharpen up 主要翻译 sharpen up vi phrasal figurative (improve skills or performance)提高技能,进步Robert needs to sharpen up if he's going to pass his exams. sharpen [sth] up, sharpen up [sth] vtr phrasal sep figurative (hone, refine)将...加强,将...改善Molly is speaking at a conference next month and needs to sharpen up her public speaking skills. |
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