sharpen
[ˈʃɑ:rpən]
vt.& vi.
使锐利;
使敏捷;
加重;
削尖;
vi.
尖锐;
变锋利;
例句:
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Ginny tried to sharpen up some rusty typing skills.
金尼试图重拾生疏了的打字技术。
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She needs to sharpen up before next month's competition.
下个月比赛之前,她的水平需要提高一下.
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This exercise will help students sharpen up their reading skills.
这个练习将帮助学生提高阅读能力.
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We can strengthen, or sharpen, the existing brands.
来自THETIMES
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The competition will sharpen up our own kids no end.
来自THETIMES
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We need to sharpen infection control practices.
来自BBC