1. the position of greatest importance or advancement; the leading position in any movement or field;

   "the Cotswolds were once at the forefront of woollen manufacturing in England"
   "the idea of motion was always to the forefront of his mind and central to his philosophy"
   

2. the sharp cutting side of the blade of a knife

1.(某事物发展的)尖端，最前沿，领先阶段
If you areat the cutting edge of a particular field of activity, you are involved in its most important or most exciting developments.

e.g. This shipyard is at thecuttingedge of world shipbuilding technology.
该造船厂的造船技术处于世界最前沿。

2.有利方面;优势
If someone or something gives you acutting edge, they give you an advantage over your competitors.

cutting edge

e.g. If Pearce had been fit, we would have won. We missed thecuttingedge he would have given us.
要是皮尔斯没生病，我们就赢了。我们失去了他这个优势。

3.最前沿的;最先进的;尖端的
Cutting-edge techniques or equipment are the most advanced that there are in a particular field.

e.g. What we are planning iscutting-edge technology never seen in Australia before...
我们正在开发的是一种在澳大利亚从未有过的尖端技术。
e.g. Some of what is happening at Packard iscutting-edge medicine.
正在帕卡德那里进行的某些研究属于前沿医学范畴。