uncertainty

• 表示不确定、不稳定或取决于偶然的状态；缺乏确切的知识或可预测性。

A noun referring to the state of being unsure, unsettled, or dependent on chance; a lack of definite knowledge or predictability.

1. State of doubt or unpredictabilityB2formal

   The condition of being unsettled, in doubt, or dependent on chance.

   不确定性

   • The uncertainty of the weather made planning difficult.
   • Economic uncertainty often leads to cautious spending.
   • She lived with the uncertainty of not knowing when she would hear back.

   同义词ambiguitydoubtequivocationincertitudeindeterminacyinsecurityinstabilityprecariousnessunpredictabilityvagueness

   反义词assurancecertaintyconfidencedefinitenesspredictabilitysecuritysureness

2. Lack of surenessB2formal

   The state of being unsure about something.

   不确定

   • There was a great deal of uncertainty about the new policy.
   • His uncertainty about the decision was obvious.
   • The team faced uncertainty regarding their future funding.

   同义词doubtdubietydubiousnesshesitationincertitudeindecisionirresolutionskepticismsuspicion

   反义词assurancecertaintyconfidenceconvictionsureness