使……更敏锐；认真思考

（使）变得更好（或技术更高、更有效等）; 提高某人（或事物）的水平（或技术、效率等）; 使…更敏锐; 打扮

sharpens up───使……更敏锐；认真思考

sharpened up───使……更敏锐；认真思考

harden up───使坚硬

shaken up───摇匀；重组；震动

shape up───顺利发展；形成；成形

shaped up───顺利发展；形成；成形

shapes up───顺利发展；形成；成形

smarten up───变潇洒；变漂亮

sharpening up───使……更敏锐；认真思考

We need to sharpen up this knife.───我们需要打磨这把小刀。

He needs to sharpen up before the Olympic trials.───奥运会选拔赛之前，他需要进一步提高自己。

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.

If he really wants to sell his product, he'll have to get his marketing boys to sharpen up.───如果他真想卖出产品，就要让市场人员变得更机敏。

We need to sharpen up this knife.───我们必须把这小刀削尖.

Ginny tried to sharpen up some rusty typing skills.───金尼试图重拾生疏了的打字技术。

But these alternatives may encourage them to sharpen up their act.───但这些替代选择可能会促使他们行动迅速一些。

He really needs to sharpen up his act a bit, or he'll never get to university.

He needs to sharpen up before the Olympic trials.

We're looking to sharpen up the product's image.

The Rogich plan is to sharpen up the focus, as well as the pace.

The antagonistic interactions tend to sharpen up some otherwise fuzzy boundaries, since they serve to exaggerate the differences.

Instead of sharpening up their act, they sharpen up their prices and cover their tracks.

She needs to sharpen up before next month's competition.

This exercise will help students sharpen up their reading skills.

If the company doesn't sharpen up soon, it will go out of business.