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 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 economy is balanced on a knife-edge.
  经济形势尚不明朗。
• The agricultural merchandisation is a double knife-edge sword.
  农业商品化是一把双刃剑。
• The handle is arranged over the main knife-edge area of the knife body.
  所述刀柄位在刀体的主刀口区的正上方。
• We had to climb over a knife-edge mountain ridge.
  我们必须翻越一道陡峭的山脊。
• "Extremely thin" appears as a knife-edge; that is, the crown meets the pavilion with no girdle in between.
  “非常薄”，看起来就像一个刀口；那就是，官方会见凉亭无肩带之间。
• On Orbit MTF Test Research of Remote Sensors Based on Knife-edge Method spaceborne remote sensing
  基于刃边法的航天光学遥感器在轨MTF测试研究
• The stark warning by George Provopoulos, governor of the Bank of Greece, further heightened the stakes ahead of a knife-edge vote on Wednesday in the Greek parliament.
  希腊银行行长乔治·普罗沃普洛斯发出的这个明显的警告进一步提高了将在周三举行的至关重要的投票的风险。
• 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。
• According to the optimization and simulation result, it shortens the distance from the knife-edge to the aspheric surface to be tested and obtains higher compensation precision.
  从设计结果上看，它缩短了刀口到待检非球面的距离，获得高精度补偿。