1.It was the sound of a knife being sharpened.

那原来是磨刀声！

2.The tip of the pencil needs to be sharpened.

铅笔头该削尖了。

3.D) Our sense of self will be sharpened and enhanced.

D）我们的自我意识将得到磨砺和增强。

4.That helps to reduce stress and sharpen concentration.

这样能帮助减少压，使注意更加敏捷。

5.We thought of vegetables and Mr. Bean seemed to be short sharpened to the point.

我们想到了蔬菜，而憨豆先生似乎简短直切主题。

6.Feifei, can you explain to our listeners why I'm sharpening an axe in the studio.

菲菲，你能和众解释一下我在演播里磨斧头的原因吗？

7.Sharpen your pencils before the test.

考试前把你的铅笔都削尖。

8.When you sharpen a pencil, you make chips.

当你削铅笔时，会有木屑。

9.Ellie sharpened her creative skills at school.

埃莉在校里增强了她的创造。

10.The scientists are excited about how the technology might sharpen the pictures produced by radio telescopes.

对于这项技术如何将射电望远镜产生的图片更清晰，家们对此非常兴奋非常期待。

11.Tip number one is to sharpen the axe.

秘诀一是把斧头磨锋利。

12.But soon stones were being shaped and sharpened.

但不久人们就把这石头打造成尖锤。

13.This week he seemed to sharpen things up.

这周，似乎他向我们摊了牌。

14.Sharpen the blade before you cut the meat.

在切肉前先把刀刃磨利。

15.They can sharpen up customer service.

也可以提高客服水平。

16.The goal is to sharpen their people skills.

目标是提高她们的人际交往能。

17.If you keep feeling a point that has been sharpened, the point cannot long preserve its sharpness.

揣而锐之，不可长保。

18.You know, Sherlock Holmes liked to use cocaine to sharpen his focus.

神探福尔摩斯喜欢用可卡因来让自己集中注意。

19.Damiano sharpens her cutting tools, such as pruning shears.

达米亚诺磨利她的切割工具，例如修枝剪。

20.The knives he spoke of were sharpened for the purpose.

他提到的刀就是为此而磨的。