You can sharpen edges, or pop highlights on shiny objects for effect.

你可以锐化边缘，或者为发光的物件增加亮度等等效果。

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In the face of difficulties and hardships, cowardice is ground to edges and corners; The brave will will sharpen more strong.

面对艰难困苦，懦弱者被磨去棱角；勇敢者将意志品质磨砺得更为坚强。

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In my case, I didn't know how filters work, so I didn't know that I could trace the edges of my image, and that I could sharpen them, and so on.

在我而言，我不知道如何过滤器的工作，所以我不知道我可以追查的优势，我的形象，我可以激化他们，等等。

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It continues to evolve around the edges, as scientists sharpen models and draw new links between interconnected natural systems.

FORBES: Climate Politics Stand Between Students and Science Education

Other edges they'll have to sharpen: Like its corporate cousin the Cruze, the Verano uses a column-mounted electric power-steering assist module that imposes a numbing frostbite on steering feel.

WSJ: 2012 Buick Verano 1SG Review: East Meets Something Less Than Zest | Rumble Seat by Dan Neil