He started work at the sharp end of the business, as a salesman.

他从这一行最为棘手的工作做起，当了推销员。

《牛津词典》

A thin coil of smoke rose almost invisibly into the sharp, bright sky.

一缕轻烟几乎不见踪迹地升上了耀眼的晴空。

《柯林斯英汉双解大词典》

youdao

She thought of her lover opening the door on the other side of which waited the sharp teeth of the tiger!

VOA: special.2009.04.18

So these names, they don't really make any sense why they're called past s p and f, and it turns out that it comes from spectroscopy terms that are pre-quantum mechanics where, for example, this is called the sharp line, I think the principle, the diffuse, and the fundamental.

看到这些名字，你会发现,它们为什么叫s，p，f是没什么道理的，事实上,它们来源于,量子力学之前的光谱学中的术语，例如，它们分别叫做锐线，我认为是主线，漫射和基本。

麻省理工公开课 - 化学原理课程节选

Now the trace you notice on the left side has very few and very sharp deflections.

现在大家注意到左侧的变位,很少但是很剧烈。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

At night, walking around the sharp turns of the alleys can feel thrillingly forbidding.

BBC: Travelling back in time through Bangkok��s Chinatown

This comes despite the sharp run-up in silver prices that preceded the latest two-day slide.

FORBES: Smells Like A Silver Short Squeeze In The Making

The Sharp FX Plus sports earSmart logos on its box and marketing materials, for example.

FORBES: Audience CEO: Sound As Important To Cellphones As Touch