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。
• 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 agricultural merchandisation is a double knife-edge sword.
  农业商品化是一把双刃剑。
• Relationship between microstructure and properties and failure mechanism of knife-edge with small angle
  薄刃刀具刃口失效机制与材料组织性能的关系
• The success or failure of the plan was balanced on a knife-edge.
  计划的成败尚未定局。
• 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。
• 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 project is on a knife-edge between success and failure.
  这项工程成败未定。
• Besides, in most cases the overlong distance from knife edge to the aspheric surface to be tested will decrease the precision of the knife-edge testing.
  此外，在很多情况下，刀口到待检非球面的距离很长，从而降低了刀口检验精度。
• 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。