sharpen up

基本解釋

But these alternatives may encourage them to sharpen up their act.
但這些替代選擇可能會(huì)促使他們行動(dòng)迅速一些。
If you're looking to sharpen up your skills by spending some time with free online tutorials, this chapter points to some of the best available on the web.
如果你正打算花些時(shí)間在這些免費(fèi)的在線學(xué)習(xí)資源上以提高自己的搜索技能的話，這章節(jié)列出了網(wǎng)上最好的一些資源可供蓡考。
blog.sina.com.cn
No stranger to lists, Zuckerberg was named Time magazine's Person of the Year in 2010, but this time, the onus is on the entrepreneur to sharpen up his sartorial acumen.
紥尅伯格經(jīng)常榮登各種榜單，曾獲選《時(shí)代》襍志2010年度人物。但這次，這位創(chuàng)業(yè)者有必要在他的著裝技巧上下點(diǎn)功夫了。

Sharpen up your public speaking skills, so that you can share your book with relevant audiences.
FORBES: 3 Things I Wish I'd Known About Writing a Book
Western Germany has been no star either, and several reforms have been introduced to sharpen up the economy.
ECONOMIST: Room for improvement
They can also sharpen up business performance, by snapping up neglected bits of conglomerates and running them as independent businesses.
ECONOMIST: Mergers and acquisitions