Tennis requires a lot of short sharp movements.

网球运动需要大量快速而剧烈的动作。

《柯林斯英汉双解大词典》

Especially a lot of sharp knives.

特别是有许多锋利的刀具。

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We would learn how to create a reflection on a metal surface through the use of the Clone Stamp tool and a lot more like softening the images contrast but still leaving the edges sharp.

我们将学习通过克隆图章工具的使用如何创建一个在金属表面反射和更喜欢的图像对比度软化，但仍然留下了很多尖锐的边缘。

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Libya's population is a quarter the size of Iraq's, and the country should be easier to control: almost all its people, a more homogeneous lot albeit with sharp tribal loyalties, live along the Mediterranean coastal strip.

ECONOMIST: The challenge of Libya

How do you have time to write, first of all, and how did you come up with the tone of these books, which are sharp, witty, but also have a lot of deep issues in them?

NPR: Grigsby Bates on Her New Mystery Novel

He spends a lot of time working on his shots and conditioning to stay sharp.

NPR: Wade Out With Right Knee Soreness