词语吧>英语词典>knife-edge翻译和用法

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

        • We had to climb over a knife-edge mountain ridge.
          我们必须翻越一道陡峭的山脊。
        • 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。
        • 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。
        • 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。
        • 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 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 team's future was on a knife-edge last night.
          昨晚,该球队前途未卜。
        • 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。
        • "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。
        • 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。