1·Looks as if it was made by a sharp edge of something in metal.
看起来好像是什么金属东西的锋利边缘割的。
2·Be careful—it has a sharp edge.
小心点—这刀刃很锋利。
—— 《牛津词典》
3·This picture echoes an old Chinese poem: Sharp edge of a sword comes out from grinding, and plum blossom's fragrance comes from the bitter cold.
这张照片和一首中国古诗产生了共鸣：宝剑锋从磨砺出，梅花香自苦寒来。
4·The sharp edge of irregular teeth.
边缘有不规则的尖齿。
5·The ax has a sharp edge.
这把斧头的刃口锋利。
6·The sharp edge of the leaf cut my fingers.
叶子锋利的边缘划伤了我的手指。
7·Meg:You must have caught it on a sharp edge.
美格：一定是给什么尖锐的东西刺到弄破了。
8·The boy is playing with a knife with a sharp edge.
这孩子正在玩一把锋利的刀。
9·The world all of its mold, no one can avoid its sharp edge.
世间一切都是它的模子，谁也无法躲避它锋利的刀刃。
10·By cutting it down the line I am able to make a nice sharp edge.
削减下来的路线，我能作出好尖锐的边缘。