n.刀刃;锐利物;处于紧要关头;十分焦虑
网络 刀口; 刀边; 刀缘
The economy is balanced on a knife-edge.
经济形势尚不明朗。
Tonight´s knife-edge vote could be uncomfortably close.
今晚的投票难以预料,结果可能会很接近,真令人紧张。
The game is poised on a knife-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。
A new technique was presented and proved by knife-edge method.
在传统的刃边法基础上,介绍并验证了一种新的点靶标方法。
Life on an isolated Pacific island is eternally poised on a knife-edge.
在太平洋的孤岛上,生命就像悬在刀刃上一样,总是朝不保夕。