uncertainty

英 [ʌnˈsɜːtnti]

美 [ʌnˈsɜːrtnti]

n.  犹豫; 迟疑; 无把握; 拿不定的事; 令人无把握的局面

复数：uncertainties　

IELTS化学

Collins.2 / BNC.2981 / COCA.3728

牛津词典

noun

• 犹豫；迟疑；无把握
  the state of being uncertain
  1. There is considerable uncertainty about the company's future.
     这家公司的前景相当渺茫。
  2. He had an air of uncertainty about him.
     他显出将信将疑的神情。
• 拿不定的事；令人无把握的局面
  something that you cannot be sure about; a situation that causes you to be or feel uncertain
  1. life's uncertainties
     人生的不可知因素
  2. the uncertainties of war
     战争带来的不确定性

柯林斯词典

• N-VAR 不确定；犹疑
  Uncertaintyis a state of doubt about the future or about what is the right thing to do.
  1. ...a period of political uncertainty.
     政治动荡的一段时期
  2. ...the uncertainties of life on the West Coast.
     西海岸生活的迷茫

英英释义

noun

• being unsettled or in doubt or dependent on chance
  1. the uncertainty of the outcome
  2. the precariousness of his income
  Synonym:uncertainnessprecariousness
• the state of being unsure of something
  Synonym:doubtincertitudedubietydoubtfulnessdubiousness

双语例句

• The uncertainty created by this situation must be confusing for you.
  这种局面所造成的不确定性肯定让你感到困惑。
• Given the uncertainty over Leigh's future I was left with little other choice.
  考虑到利前途未卜，我没有什么选择余地。
• A method for evaluation of uncertainty was established with standard deviation of relative error.
  建立了一种以相对误差的标准偏差统计不确定度的评估方法。
• They hoped the waiting and the uncertainty would wear down my resistance
  他们希望拖延搁置会瓦解我的抵抗。
• Risk and uncertainty introduce a crucial asymmetry.
  风险和不确定性制造了一个严重的不对称。
• All this uncertainty breeds insecurity.
  这样变来变去使人产生不安全感。
• We compared the uncertainty result with the two methods.
  并对两种方法评定的不确定度结果做了比较。
• Global warming adds another layer of uncertainty and risk.
  全球变暖又增加了一层不确定因素和风险。
• So there are two uncertainties involved& the distance and the timing uncertainty.
  这里有两个不确定因素-，也就是时间和距离的不确定性。
• A parametrical uncertainty analysis of flexible multibody systems was presented.
  研究了柔性多体系统的参数不确定性问题。