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。
• The agricultural merchandisation is a double knife-edge sword.
  农业商品化是一把双刃剑。
• 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。
• 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。
• 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。
• 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。
• This paper focuses on the theory, setup, and experiment of a visualization system for surface acoustic wave ( SAW) distribution based on knife-edge laser probe.
  介绍了激光刀口法声表面波（SAW）分布图像化高速测量系统的原理和系统构成，并进行了测试验证。
• 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。
• He's on a knife-edge about his exam results.
  他对考试成绩十分担心。
• Changed machine small, energy-saving, grinding out any angle is a knife-edge sharp and durable replacements.
  改机体积小，节能，磨削出的任何角度刀口锋利耐用是更新换代产品。