Word · CEFR B1 · Frequency #2981
Fully loadeduncertainty
不确定性；疑惑；拿不准
核心释义
Doubt; the state of being uncertain or without conviction.
- 1.
怀疑；不确定或没有确信的状态。
Doubt; the condition of being uncertain or without conviction.
- 2.
不确定或模棱两可的事。
Something uncertain or ambiguous.
- 3.
衡量一组测量值离散程度的参数。
A parameter that measures the dispersion of a range of measured values.
不确定的事；含糊之处；测量不确定度；不确定度；怀疑；不确定或没有确信的状态。；不确定或模棱两可的事。；衡量一组测量值离散程度的参数。
用法In use
There is a lot of uncertainty about the exam results, so the students are anxious.
用法提示：uncertainty 作 there is 的主语，是名词，表示‘不确定的状态’。
He answered the interviewer's questions with uncertainty in his voice.
用法提示：uncertainty 与 with 搭配作状语，是名词，表示语气中的‘犹豫或没把握’。
The uncertainty over the company's future worried all the employees.
用法提示：uncertainty 作句子主语，后面接 over 短语说明不确定的对象，是名词，表示‘不确定的情况’。
uncertainty about/regarding [something]
常用介词：about, regarding, over, as to。
There is considerable uncertainty regarding the economic forecast.
关于经济预测存在相当大的不确定性。
uncertainty + verb (e.g., remains, surrounds)
相关词与表达Connections
搭配Collocations
- economic uncertainty
- 经济不确定性
- Economic uncertainty has led to a decrease in investment.经济不确定性导致投资减少。
- political uncertainty
- 政治不确定性
- The election brought political uncertainty to the country.选举给国家带来了政治不确定性。
- uncertainty about
- 对……的不确定
- There is still uncertainty about the project's future.对该项目的未来仍存在不确定性。
- uncertainty over
- 在……上的不确定性
- Uncertainty over trade policies is worrying businesses.贸易政策的不确定性让企业担忧。
- great uncertainty
学习提示Learner notes
记忆技巧Memory Tip
记住：'un'（不）+ 'certain'（确定）+ 'ty'（名词后缀）→ '不确定性'
语境与语域Context & Register
[object Object]
语法说明Grammar Note
Often uncountable when referring to the state in general; countable when referring to specific instances or doubts.
发音与拼写Pronunciation & Spelling
Only 'certainty' (/ˈsɜːrtnti/) rhymes with 'uncertainty' (/ˌʌnˈsɜːrtnti/). Words like liberty, probability, honesty, safety, and loyalty share the -ty spelling but have different stressed syllables, so they do not rhyme.
用法优先级Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from ECDICT, WIKTIONARY.