Question

certain certain ★★★★☆1. BEING SURE 肯定2. REFERRING AND INDICATING AMOUNT 表示数量Part-11[ADJ-GRADED	能被表示程度的副词或介词词组修饰的形容词]肯定的；有把握的；毫无疑问的 If you are certain about something, you firmly believe it is true and have no doubt about it. If you are not certain about something, you do not have definite knowledge about it.   [v-link ADJ]She's absolutely certain she's going to make it in the world...她坚信自己会出人头地。We are not certain whether the appendix had already burst or not...我们不敢肯定阑尾是否已经破裂。It wasn't a balloon — I'm certain of that.那不是气球，这点我敢肯定。2[ADJ-GRADED	能被表示程度的副词或介词词组修饰的形容词]必然的；必定的；肯定的 If you say that something is certain to happen, you mean that it will definitely happen.   [oft ADJ to-inf]However, the scheme is certain to meet opposition from fishermen's leaders...然而，这项计划一定会遭到渔民领袖的反对。It's not certain they'll accept the Front's candidate if he wins...即便来自阵线的候选人获胜，他们能否接受他还说不准。Brazil need to beat Uruguay to be certain of a place in the finals...巴西必须击败乌拉圭才能确保进入决赛。The Prime Minister is heading for certain defeat if he forces a vote...总理要是强迫进行投票的话，那么他必败无疑。Victory looked certain.胜利在望。3[ADJ	形容词]确凿的；无疑的 If you say that something is certain, you firmly believe that it is true, or have definite knowledge about it.   [v-link ADJ]One thing is certain, both have the utmost respect for each other...有一点可以肯定，那就是双方都非常尊重对方。It is certain that Rodney arrived the previous day.罗德尼肯定是头天到的。4[ADJ-GRADED	能被表示程度的副词或介词词组修饰的形容词]确实的；肯定的 If you have certain knowledge, you know that a particular thing is true.   [ADJ n]He had been there four times to my certain knowledge.我确定他去过那儿4次。5[PHRASE	短语]确切地；无疑地 If you know something for certain, you have no doubt at all about it.   [PHR with cl (not first in cl)]She couldn't know what time he'd go, or even for certain that he'd go at all...她不知道他何时走，就连他到底走不走都说不准。Hill had to find out for certain.希尔得弄个清楚。6[PHRASE	短语]确保；保证 If you make certain that something is the way you want or expect it to be, you take action to ensure that it is.   [V inflects]Firstly, they must make certain that their pension needs are adequately catered for...首先，他们得确保他们能获得足够的养老金。To make extra certain, a police helicopter kept watch from the skies.为确保万无一失，一架警用直升机一直在空中警戒。Part-21[ADJ	形容词]某个；特定的 You use certain to indicate that you are referring to one particular thing, person, or group, although you are not saying exactly which it is.   [det ADJ]There will be certain people who'll say 'I told you so!'...一定有人会说：“我怎么跟你说来着！”You owe a certain person a sum of money...你欠某人一笔钱。Leaflets have been air dropped telling people to leave certain areas.传单被空投下来，要求人们离开某些地区。2[QUANT	数量词]某些；一些 When you refer to certain of a group of people or things, you are referring to some particular members of that group.   [QUANT of def-pl-n]  [FORMAL 正式]They'll have to give up completely on certain of their studies.他们将不得不彻底放弃某些研究。3[ADJ	形容词](用于人名前，表示不认识或了解很少)某个 You can use a certain before the name of a person in order to indicate that you do not know the person or anything else about them.   [a ADJ n-proper]She managed to arrange for them to be hidden in the house of a certain Father Boduen.她设法安排他们藏在一个叫博迪恩的神父家里。4[ADJ	形容词](品质、特点等)一定程度上的，有点儿 You use a certain to indicate that something such as a quality or condition exists, and often to suggest that it is not great in amount or degree.   [a ADJ sing-n/n-uncount]That was the very reason why he felt a certain bitterness...那就是为什么他感到有些痛苦。There is a certain impatience among some of the soldiers...有些士兵有点儿不耐烦。I received a certain amount of sympathy immediately after the attack.遇袭之后，人们立即对我表示了些许同情。 certain1 adjectivecertain2 pronouncertaincer‧tain1 /ˈsɜːtn $ ˈsɜːr-/ ●●● S1 W1 adjective  Word Origin Examples Thesaurus Collocations Phrases Word family 1[not before noun] confident and sure, without any doubts  SYN  surecertain (that) I’m absolutely certain that I left the keys in the kitchen. I felt certain that I’d passed the test.certain who/what/how etc I’m not certain when it will be ready.certain about/of Now, are you certain about that? They were watching him. He was certain of it.► see thesaurus at sureRegisterIn everyday English, people usually say sure rather than certain:· I’m sure I gave him the money.2if something is certain, it will definitely happen or is definitely true:  It now seems certain that there will be an election in May. Many people look certain to lose their jobs. It is wise to apply early to be certain of obtaining a place. It’s not certain where he lived. His re-election was considered virtually certain. It is by no means certain that the deal will be accepted. If they stayed in the war zone they would face certain death.3make certain a)to check that something is correct or true  SYN  make suremake certain (that) We need to make certain that it’s going to fit first. b)to do something in order to be sure that something will happen  SYN  make suremake certain (that) Secure the edges firmly to make certain that no moisture can get in.4for certain without doubt  SYN  for sureknow/say (something) for certain I know for certain it’s in here somewhere.that’s/one thing’s for certain One thing’s for certain, he won’t be back.5[only before noun] used to talk about a particular person, thing, group of things etc without naming them or describing them exactly:  The library’s only open at certain times of day. I promised to be in a certain place by lunchtime. There are certain things I just can’t discuss with my mother.certain kind/type/sort the expectation of a certain kind of behaviourin certain circumstances/cases etc Extra funding may be available in certain circumstances.6a certain a)used to say that an amount is not great:  You may need to do a certain amount of work in the evenings.to a certain extent/degree (=partly, but not completely) I do agree with his ideas to a certain extent. b)enough of a particular quality to be noticed:  There’s a certain prestige about going to a private school. c)formal used to talk about someone you do not know but whose name you have been told:  a certain Mr FranksCOLLOCATIONS– Meaning 2phrasesit seems certain that …· It seemed certain that the other team would win.somebody seems/looks/appears certain to do something· For a while the whole project looked certain to fail.something is by no means certain (=not definite)· Victory was by no means certain for Smith.something is far from certain (=not definite)· Success is far from certain.adverbsfairly certain· Opposition to the changes is fairly certain.almost/virtually certain· It is almost certain that she will be given a prison sentence.· Prices are virtually certain to increase.nounscertain death· If they stayed in the war zone, they faced almost certain death.THESAURUS– Meaning 2certain if something is certain, you are completely sure that it will happen or is true: · Success seems certain.· It is almost certain that there will be a change of government.· Nobody knows exactly who built the manor, but it is certain that an architect called John Sturges supplied the drawings.definite if something is definite, it is certain because someone has officially stated that it will happen, is true etc: · I hope you can give me a definite answer soon.· The wedding will be next summer but a definite date has not been arranged yet.· I’ve got a good chance of getting the job, but it’s not definite yet.inevitable if something, especially something bad, is inevitable, it is certain to happen and you cannot do anything to prevent it: · War now seems inevitable.· It was inevitable that he would find out her secret sooner or later.· Facial wrinkles are the inevitable result of aging.be bound to if something is bound to happen, it is very likely to happen, especially because that is what usually happens in that kind of situation. Be bound to is less formal than certain and is very common in everyday spoken English: · The kids are bound to be hungry when they get home – they always are.· My car broke down today. It was bound to happen sooner or later.be assured of something formal to be certain to get something good, or to be successful: · After the success of its recent single, the band is now assured of a contract with a major record company.· He is is virtually assured of becoming the next prime minister.· Our clients are assured of comfortable accommodation and the attention of our trained staff.something is a foregone conclusion if something is a foregone conclusion, its result is certain even though it has not happened yet: · They were winning by such a large margin that victory seemed to be a foregone conclusion.· Party members believe it is a foregone conclusion that he will resign.certain1 adjectivecertain2 pronouncertaincertain2 pronoun  Examples Collocations  certain of somebody/something formal particular people or things in a group:  Certain of the payments were made on Mr Maxwell’s authority.

Accepted Answer

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             cer·tain              ★                    /        ˈsɜːtn                ;          NAmE                ˈsɜːrtn                /                              adjective                ,                  pronoun                                          adjective        ★                                        1      ★              that you can rely on to happen or to be true          确实；确定；肯定                            ◆        The climbers face certain death if the rescue today is unsuccessful.        救援行动如果今天不能成功，登山队员必死无疑。                    certain(that)…                    ◆        It is certain that they will agree.        他们一定会同意。                    certainto do sth                    ◆        She looks certain to win an Oscar.        看来奥斯卡金像奖非她莫属。                    ◆        They are certain to agree.        他们一定会同意。                    certainof sth/of doing sth                    ◆        If you want to be certain of getting a ticket, book now.        要想有把握买到票，现在就得预订。                    ☞synonyms at                                            sure                                                  2      ★              firmly believing sth; having no doubts          确信；确定；无疑                            certain(that)…                    ◆        She wasn't certain (that) he had seen her.        她不敢肯定他见过她。                    certainof/about sth                    ◆        Are you absolutely certain about this?        你对这事绝对确信无疑吗？                    certainwho/where, etc…                    ◆        I'm not certain who was there.        我无法确定谁当时在场。                    ◆                  To my certain knowledgehe was somewhere else at the time          (= I am sure about it).                我敢肯定他当时不在现场。                    3      ★              used to mention a particular thing, person or group without giving any more details about it or them          （不提及细节时用）某事，某人，某种                            ◆        For certain personal reasons I shall not be able to attend.        由于某种个人原因，我将不能出席。                    ◆        Certain people might disagree with this.        某些人对这事可能不会赞同。                    ◆        They refused to release their hostages unless certain conditions were met.        除非某些条件得到满足，否则他们不会释放人质。                    4              (          formal)                used with a person's name to show that the speaker does not know the person          （与人名连用，表示说话者不识其人）某某，某位，一位叫…的                            ◆        It was a certain Dr Davis who performed the operation.        是一位叫戴维斯的医生做的手术。                    5      ★              slight; noticeable, but difficult to describe          轻微的；微小的；显而易见却难以描述的                            ◆        That's true,          to a certain extent.                在一定程度上的确如此。                    ◆        I felt there was a certain coldness in her manner.        我觉得她的态度有点冷淡。                    IDIOMS              ★        for ˈcertain                              without doubt              肯定；确定；无疑                                            ◆            I can't say for certain when we'll arrive.            我说不准我们什么时候能到。                                      ★        make certain (that…)                              to find out whether sth is definitely true              弄确实；弄清楚；弄明白                                            ◆            I think there's a bus at 8 but you'd better call to make certain.            好像 8 点有一班公共汽车，不过你最好打电话弄清楚。                                      make certain of sth/of doing sth                              to do sth in order to be sure that sth else will happen              确保（做某事）                                            ◆            You'll have to leave soon to make certain of getting there on time.            你得快点出发，好确保准时到达那里。                                      of a certain ˈage                              if you talk about a person being              of a certain age,you mean that they are no longer young but not yet old              不算年轻的；年纪不轻的；中年的                                            ◆            The show appeals to an audience of a certain age.            这个节目中年观众感兴趣。                                                    pronoun              certain of…          (        formal)            used for talking about some members of a group of people or things without giving their names        （不提及人或事物的名称时用）某些                    ◆      Certain of those present were unwilling to discuss the matter further.      某些出席会议的人不愿意进一步讨论这个问题。                      SYNONYMS 同义词辨析                                                  certain            bound              ◆sure              ◆definite              ◆guaranteed                                      These are all words describing sth that will definitely happen or is definitely true.                以上各词均指某事肯定、必定会发生或属实。                                                    ■              certain              that you can rely on to happen or be true                指确实、确定、肯定（会发生或是事实）：                                            ◆                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 sth                指肯定会、一定会                                            NOTE                Boundis only used in the phrase                bound to do/be, etc.                                  *bound 只用于 bound to do ／ be 等短语中：                                                            ◆                There are bound to be changes when the new system is introduced.                新系统引进后肯定会有变化。                                                          ◆                You've done so much work—you're bound to pass the exam.                你下了这么大工夫，一定能通过考试。                                                    ■              sure              certain to happen or be true; that can be trusted or relied on                指必定、无疑﹙会发生或是事实﹚或不容置疑、确切、可靠：                                            ◆                She's sure to be picked for the team.                她肯定会入选该队。                                                          ◆                It's sure to rain.                一准会下雨。                                                    ■              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                指肯定会、必定会（有特定结果）：                                            ◆                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                  ofsth                                                            ◆                certain/bound/sure/guaranteed                  to do sth                                                            ◆                certain/definite                  that…                                                            ◆                I                  couldn't say forcertain/sure/definite.                                                                                    cer·tain              /        ˈsɜːtn                ;          NAmE                ˈsɜːrtn                /             www.ankiedu.club

word	certain
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Collins	certain ★★★★☆ 1. BEING SURE 肯定 2. REFERRING AND INDICATING AMOUNT 表示数量 Part-1 1 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]肯定的；有把握的；毫无疑问的 If you are certain about something, you firmly believe it is true and have no doubt about it. If you are not certain about something, you do not have definite knowledge about it. [v-link ADJ] She's absolutely certain she's going to make it in the world... 她坚信自己会出人头地。 We are not certain whether the appendix had already burst or not... 我们不敢肯定阑尾是否已经破裂。 It wasn't a balloon — I'm certain of that. 那不是气球，这点我敢肯定。 2 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]必然的；必定的；肯定的 If you say that something is certain to happen, you mean that it will definitely happen. [oft ADJ to-inf] However, the scheme is certain to meet opposition from fishermen's leaders... 然而，这项计划一定会遭到渔民领袖的反对。 It's not certain they'll accept the Front's candidate if he wins... 即便来自阵线的候选人获胜，他们能否接受他还说不准。 Brazil need to beat Uruguay to be certain of a place in the finals... 巴西必须击败乌拉圭才能确保进入决赛。 The Prime Minister is heading for certain defeat if he forces a vote... 总理要是强迫进行投票的话，那么他必败无疑。 Victory looked certain. 胜利在望。 3 [ADJ 形容词]确凿的；无疑的 If you say that something is certain, you firmly believe that it is true, or have definite knowledge about it. [v-link ADJ] One thing is certain, both have the utmost respect for each other... 有一点可以肯定，那就是双方都非常尊重对方。 It is certain that Rodney arrived the previous day. 罗德尼肯定是头天到的。 4 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]确实的；肯定的 If you have certain knowledge, you know that a particular thing is true. [ADJ n] He had been there four times to my certain knowledge. 我确定他去过那儿4次。 5 [PHRASE 短语]确切地；无疑地 If you know something for certain, you have no doubt at all about it. [PHR with cl (not first in cl)] She couldn't know what time he'd go, or even for certain that he'd go at all... 她不知道他何时走，就连他到底走不走都说不准。 Hill had to find out for certain. 希尔得弄个清楚。 6 [PHRASE 短语]确保；保证 If you make certain that something is the way you want or expect it to be, you take action to ensure that it is. [V inflects] Firstly, they must make certain that their pension needs are adequately catered for... 首先，他们得确保他们能获得足够的养老金。 To make extra certain, a police helicopter kept watch from the skies. 为确保万无一失，一架警用直升机一直在空中警戒。 Part-2 1 [ADJ 形容词]某个；特定的 You use certain to indicate that you are referring to one particular thing, person, or group, although you are not saying exactly which it is. [det ADJ] There will be certain people who'll say 'I told you so!'... 一定有人会说：“我怎么跟你说来着！” You owe a certain person a sum of money... 你欠某人一笔钱。 Leaflets have been air dropped telling people to leave certain areas. 传单被空投下来，要求人们离开某些地区。 2 [QUANT 数量词]某些；一些 When you refer to certain of a group of people or things, you are referring to some particular members of that group. [QUANT of def-pl-n] [FORMAL 正式] They'll have to give up completely on certain of their studies. 他们将不得不彻底放弃某些研究。 3 [ADJ 形容词](用于人名前，表示不认识或了解很少)某个 You can use a certain before the name of a person in order to indicate that you do not know the person or anything else about them. [a ADJ n-proper] She managed to arrange for them to be hidden in the house of a certain Father Boduen. 她设法安排他们藏在一个叫博迪恩的神父家里。 4 [ADJ 形容词](品质、特点等)一定程度上的，有点儿 You use a certain to indicate that something such as a quality or condition exists, and often to suggest that it is not great in amount or degree. [a ADJ sing-n/n-uncount] That was the very reason why he felt a certain bitterness... 那就是为什么他感到有些痛苦。 There is a certain impatience among some of the soldiers... 有些士兵有点儿不耐烦。 I received a certain amount of sympathy immediately after the attack. 遇袭之后，人们立即对我表示了些许同情。
Oxford	cer·tain ★ / ˈsɜːtn ; NAmE ˈsɜːrtn / adjective , pronoun adjective ★ 1 ★ that you can rely on to happen or to be true 确实；确定；肯定 ◆ The climbers face certain death if the rescue today is unsuccessful. 救援行动如果今天不能成功，登山队员必死无疑。 certain(that)… ◆ It is certain that they will agree. 他们一定会同意。 certainto do sth ◆ She looks certain to win an Oscar. 看来奥斯卡金像奖非她莫属。 ◆ They are certain to agree. 他们一定会同意。 certainof sth/of doing sth ◆ If you want to be certain of getting a ticket, book now. 要想有把握买到票，现在就得预订。 ☞synonyms at sure 2 ★ firmly believing sth; having no doubts 确信；确定；无疑 certain(that)… ◆ She wasn't certain (that) he had seen her. 她不敢肯定他见过她。 certainof/about sth ◆ Are you absolutely certain about this? 你对这事绝对确信无疑吗？ certainwho/where, etc… ◆ I'm not certain who was there. 我无法确定谁当时在场。 ◆ To my certain knowledgehe was somewhere else at the time (= I am sure about it). 我敢肯定他当时不在现场。 3 ★ used to mention a particular thing, person or group without giving any more details about it or them （不提及细节时用）某事，某人，某种 ◆ For certain personal reasons I shall not be able to attend. 由于某种个人原因，我将不能出席。 ◆ Certain people might disagree with this. 某些人对这事可能不会赞同。 ◆ They refused to release their hostages unless certain conditions were met. 除非某些条件得到满足，否则他们不会释放人质。 4 ( formal) used with a person's name to show that the speaker does not know the person （与人名连用，表示说话者不识其人）某某，某位，一位叫…的 ◆ It was a certain Dr Davis who performed the operation. 是一位叫戴维斯的医生做的手术。 5 ★ slight; noticeable, but difficult to describe 轻微的；微小的；显而易见却难以描述的 ◆ That's true, to a certain extent. 在一定程度上的确如此。 ◆ I felt there was a certain coldness in her manner. 我觉得她的态度有点冷淡。 IDIOMS ★ for ˈcertain without doubt 肯定；确定；无疑 ◆ I can't say for certain when we'll arrive. 我说不准我们什么时候能到。 ★ make certain (that…) to find out whether sth is definitely true 弄确实；弄清楚；弄明白 ◆ I think there's a bus at 8 but you'd better call to make certain. 好像 8 点有一班公共汽车，不过你最好打电话弄清楚。 make certain of sth/of doing sth to do sth in order to be sure that sth else will happen 确保（做某事） ◆ You'll have to leave soon to make certain of getting there on time. 你得快点出发，好确保准时到达那里。 of a certain ˈage if you talk about a person being of a certain age,you mean that they are no longer young but not yet old 不算年轻的；年纪不轻的；中年的 ◆ The show appeals to an audience of a certain age. 这个节目中年观众感兴趣。 pronoun certain of… ( formal) used for talking about some members of a group of people or things without giving their names （不提及人或事物的名称时用）某些 ◆ Certain of those present were unwilling to discuss the matter further. 某些出席会议的人不愿意进一步讨论这个问题。 SYNONYMS 同义词辨析 certain bound ◆sure ◆definite ◆guaranteed These are all words describing sth that will definitely happen or is definitely true. 以上各词均指某事肯定、必定会发生或属实。 ■ certain that you can rely on to happen or be true 指确实、确定、肯定（会发生或是事实）： ◆ 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 sth 指肯定会、一定会 NOTE Boundis only used in the phrase bound to do/be, etc. *bound 只用于 bound to do ／ be 等短语中： ◆ There are bound to be changes when the new system is introduced. 新系统引进后肯定会有变化。 ◆ You've done so much work—you're bound to pass the exam. 你下了这么大工夫，一定能通过考试。 ■ sure certain to happen or be true; that can be trusted or relied on 指必定、无疑﹙会发生或是事实﹚或不容置疑、确切、可靠： ◆ She's sure to be picked for the team. 她肯定会入选该队。 ◆ It's sure to rain. 一准会下雨。 ■ 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 指肯定会、必定会（有特定结果）： ◆ 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 ofsth ◆ certain/bound/sure/guaranteed to do sth ◆ certain/definite that… ◆ I couldn't say forcertain/sure/definite. cer·tain / ˈsɜːtn ; NAmE ˈsɜːrtn /
LDC	certain1 adjective certain2 pronoun certaincer‧tain1 /ˈsɜːtn $ ˈsɜːr-/ ●●● S1 W1 adjective Word Origin Examples Thesaurus Collocations Phrases Word family 1[not before noun] confident and sure, without any doubts SYN surecertain (that) I’m absolutely certain that I left the keys in the kitchen. I felt certain that I’d passed the test.certain who/what/how etc I’m not certain when it will be ready.certain about/of Now, are you certain about that? They were watching him. He was certain of it.► see thesaurus at sure RegisterIn everyday English, people usually say sure rather than certain:· I’m sure I gave him the money.2if something is certain, it will definitely happen or is definitely true: It now seems certain that there will be an election in May. Many people look certain to lose their jobs. It is wise to apply early to be certain of obtaining a place. It’s not certain where he lived. His re-election was considered virtually certain. It is by no means certain that the deal will be accepted. If they stayed in the war zone they would face certain death.3make certain a)to check that something is correct or true SYN make suremake certain (that) We need to make certain that it’s going to fit first. b)to do something in order to be sure that something will happen SYN make suremake certain (that) Secure the edges firmly to make certain that no moisture can get in.4for certain without doubt SYN for sureknow/say (something) for certain I know for certain it’s in here somewhere.that’s/one thing’s for certain One thing’s for certain, he won’t be back.5[only before noun] used to talk about a particular person, thing, group of things etc without naming them or describing them exactly: The library’s only open at certain times of day. I promised to be in a certain place by lunchtime. There are certain things I just can’t discuss with my mother.certain kind/type/sort the expectation of a certain kind of behaviourin certain circumstances/cases etc Extra funding may be available in certain circumstances.6a certain a)used to say that an amount is not great: You may need to do a certain amount of work in the evenings.to a certain extent/degree (=partly, but not completely) I do agree with his ideas to a certain extent. b)enough of a particular quality to be noticed: There’s a certain prestige about going to a private school. c)formal used to talk about someone you do not know but whose name you have been told: a certain Mr FranksCOLLOCATIONS– Meaning 2phrasesit seems certain that …· It seemed certain that the other team would win.somebody seems/looks/appears certain to do something· For a while the whole project looked certain to fail.something is by no means certain (=not definite)· Victory was by no means certain for Smith.something is far from certain (=not definite)· Success is far from certain.adverbsfairly certain· Opposition to the changes is fairly certain.almost/virtually certain· It is almost certain that she will be given a prison sentence.· Prices are virtually certain to increase.nounscertain death· If they stayed in the war zone, they faced almost certain death.THESAURUS– Meaning 2certain if something is certain, you are completely sure that it will happen or is true: · Success seems certain.· It is almost certain that there will be a change of government.· Nobody knows exactly who built the manor, but it is certain that an architect called John Sturges supplied the drawings.definite if something is definite, it is certain because someone has officially stated that it will happen, is true etc: · I hope you can give me a definite answer soon.· The wedding will be next summer but a definite date has not been arranged yet.· I’ve got a good chance of getting the job, but it’s not definite yet.inevitable if something, especially something bad, is inevitable, it is certain to happen and you cannot do anything to prevent it: · War now seems inevitable.· It was inevitable that he would find out her secret sooner or later.· Facial wrinkles are the inevitable result of aging.be bound to if something is bound to happen, it is very likely to happen, especially because that is what usually happens in that kind of situation. Be bound to is less formal than certain and is very common in everyday spoken English: · The kids are bound to be hungry when they get home – they always are.· My car broke down today. It was bound to happen sooner or later.be assured of something formal to be certain to get something good, or to be successful: · After the success of its recent single, the band is now assured of a contract with a major record company.· He is is virtually assured of becoming the next prime minister.· Our clients are assured of comfortable accommodation and the attention of our trained staff.something is a foregone conclusion if something is a foregone conclusion, its result is certain even though it has not happened yet: · They were winning by such a large margin that victory seemed to be a foregone conclusion.· Party members believe it is a foregone conclusion that he will resign. certain1 adjective certain2 pronoun certaincertain2 pronoun Examples Collocations certain of somebody/something formal particular people or things in a group: Certain of the payments were made on Mr Maxwell’s authority.
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Make Bound Definite I Sth Happen True People