| 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. |