knife-edge

noun

1. 刀刃
   the sharp edge of a knife

1. PHRASE 形势难料；结果未卜
   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.
   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。
2. ADJ-GRADED 形势难料的
   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.
   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。

1. 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。
2. 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。
3. We had to climb over a knife-edge mountain ridge.
   我们必须翻越一道陡峭的山脊。
4. 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。
5. The project is on a knife-edge between success and failure.
   这项工程成败未定。
6. 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。
7. The agricultural merchandisation is a double knife-edge sword.
   农业商品化是一把双刃剑。
8. The success or failure of the plan was balanced on a knife-edge.
   计划的成败尚未定局。
9. 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
10. 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。
11. 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
12. 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。
13. The team's future was on a knife-edge last night.
    昨晚，该球队前途未卜。
14. The students are on a knife-edge about the examinations.
    学生们对考试感到忐忑不安。
15. 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。
16. 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。
17. "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。
18. 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；
19. 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。
20. He's on a knife-edge about his exam results.
    他对考试成绩十分担心。
21. 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。
22. 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。
23. 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
24. 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。
25. 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。
26. 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。
27. I want to be nose high when I do my roll for the knife-edge pass at show center.
    当我在展览中心上空横滚准备做刀锋通场的动作时我要让机头抬高。
28. The economy is balanced on a knife-edge.
    经济形势尚不明朗。
29. 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。
30. 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

n.

on a knife-edge

• 胜负难料；成败未定
  finely balanced between success and failure
  1. 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

noun

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