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

• 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。
• 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。
• 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。
• It was a time of terrible uncertainty
  那是一切都很不确定的一段时间。
• 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。
• Uncertainty is a discouragement to investment.
  不确定性令投资者裹足不前。
• The only thing to do is to fling caution to the winds and make a decision, right or wrong; anything is better than uncertainty.
  唯一可行的就是大胆作出决定；对也罢，错也罢，反正总比举棋不定好。
• All this uncertainty breeds insecurity.
  这样变来变去使人产生不安全感。
• Each of the three following situations is characterized by a different kind of uncertainty.
  在以下三种状态中，每一种状态都由一种互不相同的不定性所表征。
• 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。