knife-edge

英 [ˈnaɪf edʒ]

美 [ˈnaɪf edʒ]

n.  刀刃

复数：knife-edges　

习惯用语

n.

on a knife-edge
• 胜负难料；成败未定
  finely balanced between success and failure
• The economy is balanced on a knife-edge.
  经济形势尚不明朗。
• 十分焦虑；急于知道结果
  very worried or anxious about the result of sth

牛津词典

noun

• 刀刃
  the sharp edge of a knife

柯林斯词典

• PHRASE 形势难料；结果未卜
  To beon a knife-edgemeans 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.
  1. His future remains on a knife edge...
     他前途未卜。
  2. 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。
• ADJ-GRADED 形势难料的
  You can useknife-edgeto refer to something that is very exciting or tense because you do not know what is going to happen next.
  1. Tonight's knife-edge vote could be uncomfortably close.
     今晚投票的结果很难预料，双方实力可能会很接近，这令人紧张不安。

英英释义

noun

• a narrow boundary
  1. he lived on a knife-edge between genius and insanity

双语例句

• The setup of knife-edge thermometry is designed and built to quantify the effect of the chromium beam collimation by laser cooling.
  设计搭建了刀口法测温实验装置，对激光多普勒冷却准直效果进行了定量评价。
• At the moment the election seems balanced on a knife-edge.
  此刻选举似乎处于摇摆不定的状态。
• Abstract: Shear force is interrelating with width and thickness of plate and obliquity of knife-edge.
  文摘：斜刃剪切时，剪切力的大小与板料的宽度、厚度及斜刃倾角有关。
• Living with technology is like climbing a mountain along a knife-edge which narrows as it nears the summit.
  与科技共存就像是沿着刀刃口攀登山，越临近顶点就越狭窄。
• The utility model discloses a dual-purpose screw driver, comprising a screw driver handle, a screw driver bar and a knife-edge bar.
  本实用新型公开了一种两用螺丝刀，由螺丝刀手柄，螺丝刀杆和刀口杆组成。
• The main knife-edge area is a convex strip-shaped cutting belt, and is used to cut into sheets and threads;
  主刀口区是呈凸弧狭条形切割带，用于切片切丝；
• The success of the project is still very much on a knife-edge.
  这一项目的成败目前仍处於关键时刻。
• Calibration of 0 class knife-edge and uncertainty evaluation
  0级刀口尺的检定及其不确定度评定
• Greece has pulled back from the brink of default and averted a broader eurozone crisis after backing sweeping austerity measures in a knife-edge parliamentary vote.
  希腊议会在一场生死攸关的投票中通过了全面财政紧缩措施，从而使希腊从违约边缘退了回来，也避免了欧元区爆发更大规模的危机。
• Knife-edge, agate, unmounted for balances and weighting apparatus
  玛瑙刃形支承，未镶嵌的，供天平或其他称重装置用