Word · CEFR A1 · Frequency #386
sure
确信的；有把握的；肯定的
核心释义
Confident; having no doubt or uncertainty about something.
- 1.
物理上稳固可靠,不失败的。
Physically secure and certain, non-failing, reliable.
- 2.
没有疑虑或不确定性；自信的
having or feeling no doubt or uncertainty; confident and assured
- 3.
知识或信念上确定的。
Certain in one's knowledge or belief.
- 4.
采取足够的谨慎以确保安全
exercising or taking care great enough to bring assurance
- 5.
必然以特定方式行动或呈现的。
Certain to act or be a specified way.
- 6.
必然发生；注定的
certain to occur; destined or inevitable; ; ; - Benjamin Franklin
必然的；一定的；必然发生的；小心的；谨慎的；稳固的；可靠的；安全的；物理上稳固可靠,不失败的。；没有疑虑或不确定性；自信的
用法In use
I'm sure we locked the door before we left.
用法提示：sure 作形容词，表示‘确信的’，用在 be sure + 从句结构中。
She is sure of her decision and won't change her mind.
用法提示：sure 后接 of 短语，表示对某事有把握。
Are you sure about the time of the meeting?
用法提示：sure 用于疑问句，询问对方是否确定。
was sure (or certain) she had seen it
was very sure in his beliefs
sure of her friends
be sure to lock the doors
相关词与表达Connections
搭配Collocations
- be sure of
- 对…有把握，确信
- I'm not sure of his exact address.我不太确定他的确切地址。
- be sure to do
- 一定做，务必做
- Be sure to lock the door before you leave.离开前务必锁好门。
- make sure
- 确保，查明
- Make sure you turn off the lights before going to bed.确保上床前关灯。
- for sure
- 肯定，毫无疑问
- He will win the race for sure.他肯定会赢得比赛。
- sure enough
- 果然，不出所料
学习提示Learner notes
记忆技巧Memory Tip
联想“舒尔”读音，想象舒服地点头说：“当然，我确定。”
语境与语域Context & Register
“sure”作为形容词表示“确信的”时，语气中性，通常用于日常对话、表达观点或确认信息，口语中很常见。注意在正式书面语中可能更常用“certain”。
语法说明Grammar Note
常与be动词连用，后接不定式、介词短语或that从句；make sure表示确保。
发音与拼写Pronunciation & Spelling
In General American, all these words share the same stressed vowel /ʊr/ and the '-ure' spelling. Note that 'sure' begins with /ʃ/ while others have different initial consonants. In British English, some (e.g., 'pure', 'cure') may be pronounced with /jʊə/, but the rhyme is still close.
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.