The use of multimedia courseware on the "theedgeofaknife" in teaching can achieve the goal and effect that cannot be gained by the traditional education.
在教学中把多媒体课件用到教学的“刀刃”上,能达到传统教育不能达到的目的和效果。
2
The game is poised on aknife-edge. One mistake or one piece of good luck could decide it.
比赛形势扑朔迷离。一个失误或是一点运气就有可能决定胜负。
《柯林斯英汉双解大词典》
3
Half a mile away there's another thumping great bronze, the two-section 1962 KnifeEdge, opposite the House of Lords - a site chosen by Moore for its high visibility.