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

• Uncertainty is a discouragement to investment.
  不确定性令投资者裹足不前。
• 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。
• Around every corner lurked doubt and uncertainty.
  每个角落都暗藏着疑虑和不安。
• It was a time of terrible uncertainty
  那是一切都很不确定的一段时间。
• That's the uncertainty of my measurement.
  我测量的不确定度就是这个。
• All this uncertainty breeds insecurity.
  这样变来变去使人产生不安全感。
• One option gives me a pile of hard cash, but uncertainty and the stigma of unemployment.
  选择一给了我一笔实实在在的现金，但也带来了不确定性和失业这个污点。
• 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。
• Through performance-based fire protection design analysis of uncertainties, there are accidental and cognitive uncertainty.
  通过性能化防火设计中不确定性因素的分析，主要有偶然的和认知的不确定性。
• Such convolutions leave the reader in a high state of uncertainty about what you just said.
  这样拐弯抹角使读者因不能确定你所说的话而十分着急。