unsteady

英 [ʌnˈstedi]

美 [ʌnˈstedi]

adj.  站不稳的; 摇晃的; 颤抖的; 抖动的

Oxford 3000 / BNC.15751 / COCA.16547

牛津词典

adj.

• 站不稳的；摇晃的
  not completely in control of your movements so that you might fall
  1. She is still a little unsteady on her feet after the operation.
     手术以后她还有点站不稳。
• 颤抖的；抖动的
  shaking or moving in a way that is not controlled
  1. an unsteady hand
     颤抖的手

柯林斯词典

• ADJ-GRADED 脚步不稳的；身体摇晃的
  If you areunsteady, you have difficulty doing something, for example walking, because you cannot completely control your legs or your body.
  1. The boy was very unsteady and had staggered around when he got up...
     男孩站立不稳，并且起身后四下走动时步子踉跄。
  2. He poured coffee into the mugs, and with an unsteady hand, held one of them out to David.
     他把咖啡倒进杯里，然后一只手颤巍巍地端了一杯给戴维。
• ADJ-GRADED 不稳定的；不可靠的；无法捉摸的；变幻无常的
  If you describe something asunsteady, you mean that it is not regular or stable, but unreliable or unpredictable.
  1. His voice was unsteady and only just audible...
     他的声音发颤，而且小得只刚刚能听见。
  2. She knew first-hand the impact an unsteady parent could have on a sensitive young girl.
     她有亲身体验，知道情绪变化无常的家长对一个敏感的小女孩会产生什么影响。
• ADJ-GRADED 不牢固的；不稳固的；不结实的
  Unsteadyobjects are not held, fixed, or balanced securely.
  1. ...a slightly unsteady item of furniture.
     一件稍微有些不结实的家具

英英释义

adj

• not firmly or solidly positioned
  1. climbing carefully up the unsteady ladder
  2. an unfirm stance
  Synonym:unfirm
• subject to change or variation
  1. her unsteady walk
  2. his hand was unsteady as he poured the wine
  3. an unsteady voice

双语例句

• His voice was unsteady and only just audible
  他的声音发颤，而且小得只刚刚能听见。
• They were unsteady on their feet and rather uncoordinated.
  他们站立不稳，协调性较差。
• While in calculation of unsteady state problems, the transient terms are always knotty problems to deal with.
  但是在求解非稳态流体流动问题时，对非稳态项的处理一直是个棘手问题。
• She knew first-hand the impact an unsteady parent could have on a sensitive young girl.
  她有亲身体验，知道情绪变化无常的家长对一个敏感的小女孩会产生什么影响。
• Formulations of the lift and the thrust are derived based on the three-dimensional unsteady vortex lattice method, and the effect on instantaneous shape velocity is analyzed.
  推导了新的基于空间非定常涡格法的扑翼飞行器升力和推力的计算公式，然后分析了瞬时形状速度对它们的影响。
• The problem of rotor-bearing with nonlinear stiffness under an unsteady oil-film force was studied when rub-impact happened.
  研究了在非稳态油膜力作用下非线性刚度转子系统发生碰摩时的振动问题。
• With Time-Accurate simulation about one transonic fan stage unsteady flow, some sketches related to unsteady flow are understood.
  文章通过对一跨音风扇级非定常流场时间精确模拟，对叶轮机非定常流动建立了一定理解。
• By using inverse method, the analytical solutions of couple stress fluids were obtained for steady and unsteady cases.
  本文采用逆方法研究并获得了应力偶流体的定常和非定常精确解。
• Come down quickly, the ladder is unsteady!
  梯子不牢，快下来！
• Flapping and rotary gap have been investigated with the help of transonic unsteady aerodynamic forces.
  使用跨音速非定常空气动力，对扑动间隙和旋转间隙进行研究。