英 [ˈnaɪf edʒ] 美 [ˈnaɪf edʒ]
n. 刀刃；锐利物；处于紧要关头；十分焦虑
knife-edge //
习语 To be on a knife-edge means to be in a situation in which nobody knows what is going to happen next, or in which one thing is just as likely to happen as another. 形势难料; 扑朔迷离
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。
形容词 You can use knife-edge to refer to something that is very exciting or tense because you do not know what is going to happen next. 难以预料的
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。
a narrow boundary
he lived on a knife-edge between genius and insanity
刀刃
刀口
刃形支承
刀口刀形边缘
... kit套件 knife-edge刃形支承，刀刃，刀边 kryton氪 ...
... knife switch 刀形开关 knife-edge 刀口，刀边，刀刃 knife-edge bearing 刀口支承 ...
... knife-edgeswitch闸刀开关 knife-edge刀口刀形边缘 knife-shapedneedle刀形指针 ...
... knifeswitch刀形开关 knife-edge刀口，刀边，刀刃 knife-edgebearing刀口支承 ...
[机]刀刃；锐利物；处于紧要关头；十分焦虑
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。
The vote was a relief for Tony Blair and Labour's NEC, who expected a knife-edge result.
The risk of contagion is ever-present: Spain is in worse shape than before, Italy is on a knife-edge.
Until the 1997 general election, this seat was on a knife-edge between the Tories and the Liberal Democrats.