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sure

adjective
 
🔊/ʃʊə(r)/, 🔊/ʃɔː(r)/
🔊/ʃʊr/
(comparative surer, superlative surest)
You can also use more sure and most sure, especially in sense 1.Idioms
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  1.  
     [not before noun] confident that you know something or that you are right确信；确知；肯定；有把握 synonym certain
    • ‘Is that John over there?’ ‘I'm not sure’.“那边那个人是约翰吗？” “我说不准。”🔊🔊
    • You don't sound very sure.听你这口气，你不大肯定。🔊🔊
    • sure (that)… I'm pretty sure (that) he'll agree.他会同意的，对此我有相当的把握。
    • Are you sure you don't mind?你确实不在意？🔊🔊
    • I’m sure he’s still alive.我确定他还活着。
    • sure of something I hope you are sure of your facts.我希望你能肯定你说的都是事实。🔊🔊
    • sure about something Are you sure about that?这事你肯定吗？🔊🔊
    • not sure how, whether, etc… Ask me if you're not sure how to do it.你要是拿不准怎么干，就问我。🔊🔊
    • I'm not sure whether I should tell you this.我拿不准该不该把这事告诉你。🔊🔊
    • not exactly/entirely/absolutely/really sure不完全/完全/绝对/完全确定
    • I still wasn't even sure who I was talking to. 我什至不知道我在跟谁说话。
    • I like this bit, but I'm not so sure about that one.我喜欢这一点，但是我不确定那一点。
    opposite unsure
    Extra Examples
    • What makes you so sure she'll come back to you?你为什么如此确信她会回到你身边？
    • I'm quite sure (that) I left my bag here.我肯定是把包丢在这儿了。
    • Potts was confident of taking the American title, but less sure about the world championship.波茨对获得美国冠军充满信心，但对获得世界冠军就不那么有把握了。
    Topics Personal qualitiesa1
    Oxford Collocations Dictionaryverbs
    • be
    • feel
    • seem
    • …
    adverb
    • absolutely
    • completely
    • quite
    • …
    preposition
    • about
    • of
    See full entry
  2.  
     [not before noun] certain that you will receive something or that something will happen一定，必定，无疑（将会得到或发生）
    • sure of something You're always sure of a warm welcome there.到了那里你肯定会受到热烈欢迎。🔊🔊
    • We could not be sure of financial support.我们不确定是否有财政支持。
    • sure of doing something England must win this game to be sure of qualifying for the World Cup.英格兰队必须拿下这场比赛才能确保获得世界杯的参赛资格。🔊🔊
    Synonyms suresure
    • confident
    • convinced
    • certain
    • positive
    • clear
    These words all describe somebody who knows without doubt that something is true or will happen.
    • sure [not before noun] without any doubt that you are right, that something is true, that you will get something or that something will happen:
      • ‘Is that John over there?’ ‘I’m not sure.’“那边那个人是约翰吗？” “我说不准。”
      • Are you sure about that?这事你肯定吗？
      • England must win this game to be sure of qualifying.英格兰队必须拿下这场比赛才能确保获得资格。
      Sure is often used in negative statements and questions, because there is some doubt or worry over the matter. If there is no doubt, people often say quite sure: I’m quite sure (that) I left my bag here (= I have no doubt about it).
    • confident completely sure that something will happen in the way that you want or expect:
      • I’m quite confident that you’ll get the job.我肯定你能得到那份工作。
      • The team feels confident of winning.这个队觉得有把握取胜。
      Confident is a stronger and more definite word than sure and is more often used in positive statements, when you feel no worry.
    • convinced [not before noun] completely sure that something is true or right, especially because the evidence seems to prove it or somebody else has persuaded you to believe it:
      • I’m convinced that she’s innocent.我坚信她是清白无辜的。
    • certain [not usually before noun] sure that you are right or that something is true:
      • Are you absolutely certain about this?你对这事绝对确信无疑吗？
    sure or certain?用 sure 还是 certain？Like sure, certain is often used in negative statements and questions. It is slightly more formal than sure; sure is more frequent, especially in spoken English.
    • positive [not before noun] (rather informal) completely sure that something is true:
      • She was positive that he’d been there.她确信他曾到过那儿。
      • ‘Are you sure?’ ‘Positive.’“你敢肯定吗？”“绝对肯定。”
    • clear (often used in negative statements and questions) having no doubt or confusion about something:
      • My memory isn’t really clear on that point.那一点我记不太清楚了。
    Patterns
    • sure/​confident/​convinced/​certain/​positive/​clear about something
    • sure/​confident/​convinced/​certain of something
    • sure/​confident/​convinced/​certain/​positive/​clear that…
    • sure/​certain/​clear who/​what/​how, etc.
    • to feel sure/​confident/​convinced/​certain/​positive
    • quite/​absolutely/​completely/​fairly/​pretty sure/​confident/​convinced/​certain/​positive/​clear
    • not altogether sure/​confident/​convinced/​certain/​clear
    Topics Doubt, guessing and certaintyb1
    Oxford Collocations Dictionaryverbs
    • be
    • feel
    • seem
    • …
    adverb
    • absolutely
    • completely
    • quite
    • …
    preposition
    • about
    • of
    See full entry
  3.  
     sure to do something certain to do something or to happen一定，必定，无疑（会做或会发生）
    • The exhibition is sure to be popular.这一展览肯定受欢迎。🔊🔊
    • It's sure to rain.一准会下雨。🔊🔊
    • You’re sure to get lost if you don’t keep to the path.如果您不走这条路，肯定会迷路。
    • She's sure to be picked for the team.她肯定会入选该队。
    Synonyms certaincertain
    • bound
    • sure
    • definite
    • guaranteed
    These are all words describing something that will definitely happen or is definitely true.
    • certain that you can rely on to happen or be true:
      • It’s certain that they will agree.他们肯定会同意。
      • They are certain to agree.他们肯定会同意。
    • bound [not before noun] certain to happen, or to do or be something. 指肯定会、一定会Bound is only used in the phrase bound to do/​be, etc.: You’ve done so much work—you’re bound to pass the exam. • There are bound to be changes when the new system is introduced.
    • sure certain to happen or be true; that can be trusted or relied on:
      • She’s sure to be picked for the team.她肯定会入选该队。
      • It’s sure to rain.必定会下雨。
    • definite (rather informal) certain to happen; that is not going to change:指必将发生、不会改变：
      • Is it definite that he’s leaving?他肯定要离开吗？
    • guaranteed certain to have a particular result:
      • That kind of behaviour is guaranteed to make him angry.那样的行为肯定会让他生气。
    Patterns
    • certain/​sure of something
    • certain/​bound/​sure/​guaranteed to do something
    • certain/​definite that…
    • I couldn’t say for certain/​sure/​definite.
    Topics Doubt, guessing and certaintyb1
  4. [usually before noun] that can be trusted or relied on不容置疑的；确切的；可靠的；保险的
    • It's a sure sign of economic recovery.这是经济复苏的确切迹象。🔊🔊
    • There's only one sure way to do it.做这件事只有一个保险的办法。🔊🔊
    • He is a sure bet for the presidential nomination (= certain to succeed).他是总统提名的确定赌注（肯定会成功）。
    • I told my friends that our winning was a sure thing.我告诉我的朋友，我们的胜利是确定的。
    Synonyms certaincertain
    • bound
    • sure
    • definite
    • guaranteed
    These are all words describing something that will definitely happen or is definitely true.
    • certain that you can rely on to happen or be true:
      • It’s certain that they will agree.他们肯定会同意。
      • They are certain to agree.他们肯定会同意。
    • bound [not before noun] certain to happen, or to do or be something. 指肯定会、一定会Bound is only used in the phrase bound to do/​be, etc.: You’ve done so much work—you’re bound to pass the exam. • There are bound to be changes when the new system is introduced.
    • sure certain to happen or be true; that can be trusted or relied on:
      • She’s sure to be picked for the team.她肯定会入选该队。
      • It’s sure to rain.必定会下雨。
    • definite (rather informal) certain to happen; that is not going to change:指必将发生、不会改变：
      • Is it definite that he’s leaving?他肯定要离开吗？
    • guaranteed certain to have a particular result:
      • That kind of behaviour is guaranteed to make him angry.那样的行为肯定会让他生气。
    Patterns
    • certain/​sure of something
    • certain/​bound/​sure/​guaranteed to do something
    • certain/​definite that…
    • I couldn’t say for certain/​sure/​definite.
  5. [usually before noun] steady and confident沉着自信的；胸有成竹的
    • We admired her sure touch at the keyboard.我们欣赏她沉着自信的弹奏风格。🔊🔊
    6. Word OriginMiddle English: from Old French sur, from Latin securus ‘free from care’.
Idioms
be sure to do something
  1. used to tell somebody to do something一定要，务必（去做某事）
    • Be sure to give your family my regards.务必代我向你的家人问好。🔊🔊
    • Be sure to check out our website.请务必查看我们的网站。
    In spoken English and plus another verb can be used instead of to and the infinitive: Be sure and call me tomorrow.
for sure
  1. (informal) without doubt无疑；肯定
    • No one knows for sure what happened.没有人确切地知道发生了什么事。🔊🔊
    • I think he'll be back on Monday, but I can't say for sure.我想他星期一会回来，不过我不敢肯定。🔊🔊
    • One thing is for sure—it's not going to be easy.有一点可以肯定，事情不会很容易。🔊🔊
    • (North American English) ‘Will you be there?’ ‘For sure.’“你去吗？” “肯定去。”🔊🔊
a good/safe/sure bet
  1. something that is likely to happen, to succeed or to be suitable（表示不出所料）果真，果然
    • He's a good bet to earn a spot on the US team.他是赢得美国队一席之地的好选择。
    • Clothes are a safe bet as a present for a teenager.衣服适合作为送给十几岁孩子的礼物。
    • The movie looks like a sure bet for Best Film.这部电影看起来肯定是最佳电影的赌注。
    Topics Doubt, guessing and certaintyc2
make sure (of something/that…)
  1.  
     to do something in order to be certain that something else happens确保；设法保证
    • Make sure (that) no one finds out about this.绝对不要让任何人发现这件事。
    • They scored another goal and made sure of victory.他们又进了一个球，这就赢定了。🔊🔊
    • Our staff will do their best to make sure you enjoy your visit.我们的人员会竭尽全力使您访问愉快。🔊🔊
    • To make doubly sure they would not be disturbed she turned the key in the lock.为加倍确保他们不受干扰，她用钥匙开了门。
    Topics Doubt, guessing and certaintya2
  2.  
     to check that something is true or has been done查明，核实，弄清（某事属实或已做）
    • She looked around to make sure that she was alone.她往四下里看看，是不是只有她一个人。🔊🔊
    • I think the door's locked, but I'll just go and make sure.我觉得门已经锁上了，不过我还是去看看好放心。🔊🔊
sure of yourself
  1. (sometimes disapproving) very confident自信；自以为是
    • She seems very sure of herself.她好像十分自信。🔊🔊
sure thing
  1. (informal, especially North American English) used to say ‘yes’ to a suggestion or request（答应建议或要求）当然，一定
    • ‘Are you coming?’ ‘Sure thing.’“你来吗？” “当然。”🔊🔊
    Topics Suggestions and advicec1
to be sure
  1. (formal) used to admit that something is true（承认属实）诚然，固然，无可否认
    • He is intelligent, to be sure, but he's also very lazy.他固然聪明，但也很懒。🔊🔊

sure

adverb
 
🔊/ʃʊə(r)/, 🔊/ʃɔː(r)/
🔊/ʃʊr/
(informal, especially North American English)Idioms
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  1.  
     used to say ‘yes’ to somebody（表示同意）当然
    • ‘Will you open the wine?’ ‘Sure, where is it?’“你把葡萄酒打开好吗？” “没问题，酒在哪儿？”🔊🔊
    • Did it hurt? Sure it hurt.疼不疼？当然疼了。🔊🔊
    • Sure, no problem.好没问题。
  2. used to emphasize something that you are saying（加强语气）确实，的确
    • Boy, it sure is hot.嗬，这天儿可真热。🔊🔊
    • ‘Amazing view’. ‘Sure is.’“景色真美。” “没错。”🔊🔊
    • I sure hope you are right about that.我当然希望你是对的。
    • That song sure as hell sounds familiar.那首歌确实耳熟。🔊🔊
    • He sure looked unhappy.他的确显得不高兴。🔊🔊
    • Working in technology sure beats flipping burgers.从事技术工作肯定胜过汉堡。
    • I sure do agree with that.我当然同意。
  3. used to reply to somebody who has just thanked you for something（回答他人的感谢）不用客气，应该的
    • ‘Thanks for the ride.’ ‘Sure—anytime.’“谢谢你载我过来。” “不用客气，随时愿意效劳。”🔊🔊
    4. Word OriginMiddle English: from Old French sur, from Latin securus ‘free from care’.
Idioms
(as) sure as eggs is eggs
  1. (old-fashioned, British English, informal) used to say that something is definitely true千真万确；的的确确
sure enough
  1. used to say that something happened as expected（表示不出所料）果真，果然
    • I said he'd forget, and sure enough he did.我说他会忘记，他果然就忘了。🔊🔊
    • ‘Stop,’ she said, ‘I can hear something.’ Sure enough, in the distance we could hear the sound of a car approaching.她说：“停下来，我能听到一些声音。” 果然，在远处，我们可以听到汽车驶来的声音。