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.- His future remains on a knife edge...
他前途未卜。 - 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。
- His future remains on a knife edge...
- 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.- 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。
- Tonight's knife-edge vote could be uncomfortably close.
英英释义
noun
- a narrow boundary
- he lived on a knife-edge between genius and insanity
双语例句
- 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。 - 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。 - 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 - 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。 - 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。 - 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 - He's on a knife-edge about his exam results.
他对考试成绩十分担心。 - 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。 - 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。 - 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。