| 释义 |
sharp·enBrE /ˈʃɑːpən/NAmE /ˈʃɑːrpən/ verbpresent simple - I / you / we / they sharpen BrE /ˈʃɑːpən/ NAmE /ˈʃɑːrpən/present simple - he / she / it sharpens BrE /ˈʃɑːpənz/ NAmE /ˈʃɑːrpənz/past simple sharpened BrE /ˈʃɑːpənd/ NAmE /ˈʃɑːrpənd/past participle sharpened BrE /ˈʃɑːpənd/ NAmE /ˈʃɑːrpənd/ -ing form sharpening BrE /ˈʃɑːpənɪŋ/ NAmE /ˈʃɑːrpənɪŋ/ [T, I] ~ (sth) to make sth sharper; to become sharper （使）变得锋利，变得清晰◆This knife needs sharpening. 这把刀需要磨了。◆The outline of the trees sharpened as it grew lighter. 随着天色转亮，树的轮廓变得清晰了。 [I, T] ~ (sth) if a sense or feeling sharpens or sth sharpens it, it becomes stronger and/or clearer （使感觉或感情）加强，加重，变得更明显◆The sea air sharpened our appetites. 海上的空气增进了我们的食欲。 [T] ~ sthto make a disagreement between people, or an issue on which people disagree, clearer and more likely to produce a result 使尖锐；使明朗◆There is a need to sharpen the focus of the discussion. 有必要使讨论的焦点更加集中。 [I, T] to become or make sth better, more skilful, more effective, etc. than before （使）提高，改善 SYN improve ◆~ (up) He needs to sharpen up before the Olympic trials. 在奥运会选拔赛之前，他需要进一步磨砺自己。◆~ sth (up) She's doing a course to sharpen her business skills. 她正进修，以提高自己的业务技能。 [I, T] ~ (sth) if your voice sharpens or sth sharpens it, it becomes high and loud in an unpleasant way （使声音）变得尖锐，变得刺耳 |