certain表无疑的，确信的意思，那么你知道certain的同义词有哪些吗?接下来小编为大家整理了certain的同义词，希望对你有帮助哦!

certain的同义词辨析：

sure, certain, definite, positive

这些形容词均含"无疑的，确信的"之意。

sure ： 侧重主观上对某事确信无疑。

certain与sure同义，但语气比sure强，着重指有确切理由或不容置疑的证据所支持的确信。

definite ： 指已毫无怀疑的余地。

positive ： 语气强烈，指对自己的看法或作的结论的正确性有不可动摇的信念。

词组习语：

make certain

1. (采取行动)确保(某事发生);查实(某事)，查明(某事属实)

for certain

1. 毫无疑问地;肯定地

be sure

1. 一定要;务必(用于强调邀请或指示)

一定要来。

[with infinitive]be sure to pop in.

务必弄清楚要求是什么。

[with clause]be sure that you know what is required.

for sure

1. (非正式)毫无疑问

我说不准贾尔斯真正想要的是什么。

I can't say for sure what Giles really wanted.

(as) sure as eggs is eggs

1. 千真万确，无可置疑

sure enough

1. (非正式)果真

拍完X光片后，果真有一根针。

when X-rays were taken, sure enough, there was the needle.

sure of oneself

1. 非常自信

他非常自信。

he's very sure of himself.

sure thing

1. (非正式)确定无疑的事情

for sure【非正式用语】

1. 确切地;毫无疑问地

我们肯定会获胜

We'll win for sure.

make sure

1. 弄清楚;确保

让他一定记下来

Make sure he writes it down.

to be sure

1. 确实;当然

certain的例句：

1. There is a certain impatience among some of the soldiers.

有些士兵有点儿不耐烦。

2. Over the years he's demonstrated a certain prescience in foreign affairs.

这些年来，他已经在外交事务方面表现出一定的预见性。

3. I feel certain that it will all turn out well.

我觉得最后肯定会皆大欢喜。

4. There are certain things he does that drive me mad.

他的某些举动让我很生气。

5. Parents can programme the machine not to turn on at certain times.

父母可以设定这台机器的程序，使它在特定时间段无法开启。

6. The stores are sometimes sold out of certain groceries.

有时商店里的某些杂货会有脱销的现象。

7. Certain areas have been declared off limits to servicemen.

已经宣布一些地区军人不得出入。

8. 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。

9. She's absolutely certain she's going to make it in the world.

她坚信自己会出人头地。

10. A farmer is entitled to a certain particularized tax treatment.

农民能够得到某种具体的税收待遇。

11. Nothing seems certain in this crucial period in Pakistan's political life.

在巴基斯坦政治历史上的这个紧要关头,一切皆非定数.

12. Certain kinds of property are transferred automatically at death.

死亡时某些财产会自动转让。

13. You owe a certain person a sum of money.

你欠某人一笔钱。

14. Mr King seems certain to be pressed for further details.

看来人们一定会竭力要求金先生提供进一步的细节。

15. Kenworthy detected a certain flatness in the days that followed.

肯沃西在接下来的几天中感到有些平淡无趣。

certain的同义词例句：

1. But legal experts are not sure if such a charge can stick.

但法律专家们不能肯定这一指控是否成立。

2. Be sure you get your daily quota of calcium.

要确保每天的钙摄入量。

3. If something's a sure-fire hit then Radio One will play it.

如果哪首歌一定会火，那么第一频道肯定会播出。

4. They want to make sure the newcomers don't get a look-in.

他们不想让新人有露脸的机会。

5. This proposal is by no means a sure thing.

这个提议绝不会理所当然地获得通过。

6. She was somewhat unapproachable but I'm sure she wanted to be friendly.

她有些不好接近，但我确信她想表现得友好一些。

7. Make sure the draining board, sink and plug hole are regularly disinfected.

滴水板、水槽和塞孔一定要定期消毒。

8. One thing I am sure of was that she was scared.

有一点我能肯定，那就是她当时被吓到了。

9. Nancy wasn't sure what to make of Mick's apology.

南希不知应该如何理解米克的道歉。

10. "I'm sure I don't know." Cook tossed her head.

“我确信我不知道。”库克一甩头说。

11. Make sure that your meal won't be smothered with white sauce.

千万不要把自己的饭菜上都涂满白汁沙司。

12. Make sure you join the queue inside the bank.

在银行里一定要排队。

13. "What's happened to her?" — "I'm sure she won't be long."

“她怎么回事?”——“我相信她快到了。”

14. Be sure to read about how mozzarella is made, on page 65.

务必看看莫泽雷勒干酪是怎么制成的，在第65页。

15. I'm sure you will remember from the hellish years of your boyhood.

我相信你一定记得自己梦魇般的童年时代的事情。

1. Her Royal Highness has definite views about most things.

女王陛下对大多数事情都有明确的观点。

2. When you came away you made a definite effort to mix.

你离开时一定要努力和大家搞好关系。

3. Mary is very definite about this.

玛丽对此非常肯定。

4. In a double-blind trial, there were definite improvements.

在双盲试验中，改善效果明显。

5. The police had nothing definite against her.

警方没有掌握对她不利的确凿证据。

6. There has already been a definite improvement.

已经有了显著的改进。

7. We didn't have any definite proof.

我们没有任何确实的证据。

8. That's a very definite possibility.

那是很有可能的。

9. Our ideas began to crystallize into a definite plan.

我们的想法开始形成了一个明确的计划。

10. Can you give me a definite answer by tomorrow?

你最晚明天能给我一个确定的答复吗?

11. She has certain definite beauties, such as her eyes.

她确有几分姿色, 比如说她的眼睛.

12. We had no trouble finding your house because your directions were definite.

我们很容易找到你的家,因为你的地址说得很清楚.

13. The doctor is quite definite about Tom having measles.

医生十分肯定汤姆得了麻疹.

14. It's definite that he will come to help us.

他肯定会来帮助我们.

15. Let's feel out the situation first before we take any definite steps.

我们先把情况摸清楚,再采取具体措施.

1. Remember, keep a positive attitude and good things will happen.

记住：保持乐观的心态，好事自然会发生。

2. You have to do everything you can. You have to work your hardest. And if you do, if you stay positive, then you have a shot at a silver lining.

你必须全力以赴，最大限度地去努力。如果你这么做，并且保持乐观，你就会看见乌云背后的幸福线。

3. I'm as positive as I can be about it.

我对它有绝对的把握。

4. A positive pregnancy test soon confirmed her intuitive feelings.

阳性孕检结果很快证实了她的直觉。

5. The athlete received a two-year suspension following a positive drug test.

该运动员因尿检结果呈阳性而被停赛两年。

6. The agreement should have very positive results in the long term.

从长远来看，这个协议将会产生非常积极的影响。

7. Good day to you, Bernard! It's a positive delight to see you.

你好，伯纳德!见到你真高兴。

8. Work on the positive, creating beautiful, loving and fulfilling relationships.

致力于好的方面，努力营造美好的、友爱的、令人满意的关系。

9. Working abroad should be an exciting and positive experience for all concerned.

在海外工作对所有相关人员来说都应该是一段让人兴奋而愉快的经历。

10. Officials are awaiting positive identification before charging the men with war crimes.

在以战争罪起诉这些人以前，官员们一直在等待他们身份的核实。

11. If the test is positive, a course of antibiotics may be prescribed.

如果化验结果呈阳性，可能会开一个疗程的抗生素。

12. It's really a simple numbers game with negative and positive numbers.

它其实就是正负数的简单数字游戏。

13. The parting from his sister had a positive effect on John.

和姐姐分开对约翰来说有好处。

14. This energy could be much better spent taking some positive action.

这些精力若用于采取某些积极行动的话，可能会更值得。

15. There's been a positive response to the UN Secretary-General's recent peace efforts.

联合国秘书长近期为和平所作出的努力得到了积极的回应。