1
unsure about/of sth
about与of可互换，后接名词或名词短语。
I'm unsure about the exact date.
我不确定确切的日期。
没有自信的
unsurest — superlative of unsure
先理解核心含义，再看它在真实句子里的用法。
没有自信的
unsure
I'm unsure about the exact date.
我不确定确切的日期。
不确定的,矛盾的。
uncertain, ambivalent.
缺乏自信
lacking self-confidence
不稳定的,危险的。
unstable or precarious
缺乏或显示缺乏信心或保证
lacking or indicating lack of confidence or assurance
She felt unsure of herself during the job interview.
她在求职面试时感到没有自信。
AI contextual example
He becomes unsure when he has to speak in public.
他需要在公开场合讲话时就会变得没有自信。
AI contextual example
The new intern was unsure of her ability to finish the task alone.
新来的实习生对自己独立完成任务的能力没有信心。
AI contextual example
a very unsure young man
一个非常不自信的年轻人
WordNet
about与of可互换，后接名词或名词短语。
I'm unsure about the exact date.
我不确定确切的日期。
后接从句，常用于表达犹豫。
She was unsure whether to accept the offer.
她不确定是否接受这个提议。
固定短语，描述缺乏自信的状态。
He seemed unsure of himself during the interview.
面试时他显得很不自信。
Not this
I unsure if he will come.
Use this
I am unsure if he will come.
错误: 将'unsure'误用作动词。中文'不确定'可作谓语，但英文中'unsure'是形容词，必须与系动词连用。
Not this
I am unsure to go to the party.
Use this
I am unsure about going to the party.
错误: 介词使用不当。'unsure'后应接'about'或'of'引导名词或动名词，而非不定式。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
缺乏自信
She is often unsure of herself in social situations.
她在社交场合常常缺乏自信。
对…不确定
He is unsure about his career path.
他对自己的职业道路不确定。
不确定是否
I am unsure whether I can attend the meeting.
我不确定是否能参加会议。
感到不确定
Many students feel unsure before exams.
许多学生在考试前感到不确定。
仍然不确定
After much discussion, we remain unsure of the outcome.
经过大量讨论，我们仍然不确定结果。
缺乏自信
He felt unsure of himself when giving the speech.
他在演讲时感到缺乏自信。
Use unsurest naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
un（不）+ sure（确定）→ unsure就是‘不确定’，想象自己摇头说‘嗯，不sure’。
通常为中性语域，适用于日常对话、正式写作等多种场合，多表示缺乏信心或不确定。
以下单词与unsure押韵：sure, ensure, assure, reassure。注意censure拼写相似但发音不同，不押韵。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.