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TOEFL IELTS BNC: 1198 COCA: 1049
positive
adjective /ˈpɒzətɪv/
  1. 1
    [never before noun] completely certain 肯定的;确信的
    positive (that) :

    Are you positive that there's been no mistake? 你确定其中没有什么错误吗?

    positive about/of :

    We'd met before – I was positive about that. 我们以前见过面,我确定。

    We'll make money from this deal – I'm positive of that. 我们会从这笔交易中赚到钱的,对此我有把握。

     Synonyms and related words
    Certain about something: certain, sure, positive...
  2. 2
    believing that good things will happen or that a situation will get better 乐观的;积极的

    a positive attitude 乐观的态度

    Try to think positive thoughts. 尽量想想乐观的方面。

    positive about :

    You have every reason to be positive about the future. 你完全有理由对未来感到乐观。

     Synonyms and related words
  3. 3
    showing agreement or approval 赞成的;同意的

    The experiment is working well and feedback is very positive. 实验进展顺利,反馈也都是肯定的。

    We couldn't be sure if her reaction would be positive. 我们不能确定她的反应会不会是赞同的。

     Synonyms and related words
    Showing support for something or someone: supportive, sympathetic, pro...
  4. 4
    a positive experience, situation, result etc is a good one 好的;美好的;良好的

    School was a totally positive experience for me. 学校的生活对于我来说完全是美好的经历。

    The positive aspects of parenthood are rarely written about. 为人父母的美好一面很少被写到。

    a positive result/outcome :

    An initiative to help homeless people is showing positive results. 帮助无家可归者的倡议正显示出良好的效果。

     Synonyms and related words
    1. a.
      used about someone or something that encourages positive behaviour, attitudes etc (人或物)有正面意义的,有积极效果的

      a positive role model 正面的典范

      Students learn better in this positive environment. 学生们在这样的良好环境中学得更好。

       Synonyms and related words
  5. 5
    informal used for emphasizing how true, important etc something is (用于强调)确实的,完全的,彻底的

    The whole thing was a positive embarrassment. 整件事情确实很尴尬。

     Synonyms and related words
  6. 6
    if you do something positive, you do something to try to improve a situation or to help someone rather than doing nothing (某人)积极的,建设性的

    You must be prepared to make a positive contribution to the business. 你必须准备为企业作出积极的贡献。

  7. 7
    showing that a situation is likely to improve (局面)可能改善的,朝有利方面的

    The indications are positive that this year's festival will be a success. 有利的迹象表明今年的节日将会取得成功。

     Synonyms and related words
  8. 8
    a positive result in a medical test means that the person has the disease or condition that was tested for (疾病测试)阳性的,呈阳性的

    a positive diagnosis 呈阳性的诊断

    test positive (for something) :

    The runner was suspended for two years after he tested positive for drugs. 这位赛跑运动员在药物检测中被测出呈阳性后被禁赛两年。

     Synonyms and related words
  9. 9
    maths a positive number is higher than zero 正数的;正的
     Synonyms and related words
    Words used to describe numbers: annualized, average, binary...
  10. 10
    medical used for saying that someone's blood contains a substance called Rhesus factor. You can say that someone is Rhesus positive or that their blood group is, for example, O positive or A positive. 因子呈阳性的
     Synonyms and related words
    Relating to the heart and blood: arterial, cardiac, cardiovascular...
  11. 11
    a positive image such as a photograph shows light and colours in the same way that the original image does (摄影)正片的,正像的
     Synonyms and related words
  12. 12
    physics with the same electrical charge as a proton
     Synonyms and related words
positive
noun [C] /ˈpɒzətɪv/
singularpositive
pluralpositives
  1. 1
    a good aspect of something 正面;好的方面

    Weigh up the negatives and the positives before you make your decision. 作出决定之前先权衡一下利弊。

     Synonyms and related words
    Advantages and benefits: advantage, benefit, good...
  2. 2
    a medical test result that shows someone has the disease or condition that was tested for. A false positive is a result that shows you have a disease or condition when you really do not have it. (医疗检测的)阳性结果
     Synonyms and related words
    Medical tests and examinations: amniocentesis, autopsy, biopsy...
  3. 3
    maths a number that is higher than zero 正数
     Synonyms and related words
TOEFL IELTS BNC: 1198 COCA: 1049
positive

adjective¹

1certain確定VERBS | ADVERB | PREPOSITION VERBSbe, seem, sound肯定;好像確定;聽起來肯定ADVERBabsolutely, quite (especially BrE) 十分肯定I'm absolutely positive it was him.我絕對肯定就是他。fairly頗有把握almost (especially NAmE) 幾乎肯定PREPOSITIONabout對⋯有把握She seemed fairly positive about it.她似乎對此頗有把握。of確信⋯Are you positive of your facts?你對提供的事實有把握嗎?
positive

adjective²

2hopeful and confident/encouraging樂觀自信VERBS | ADVERB | PREPOSITION VERBSappear, be, feel, seem, sound顯得樂觀;樂觀;感到自信;好像積極;聽起來自信remain保持自信ADVERBextremely, fairly, very, etc.極為/相當/非常自信highly, overwhelmingly極其樂觀;非常自信He took a highly positive view of the matter.他對此事抱非常樂觀的態度。entirely, wholly完全自信;十分樂觀moderately (NAmE) 適度樂觀generally大體上自信apparently貌似自信PREPOSITIONabout對⋯自信He sounded very positive about his chances.聽起來他覺得自己機會很大。
positive

adjective³

3showing that sth has happened/is present表明發生或存在VERBS | ADVERB | PREPOSITION VERBSbe, prove, test陽性;顯示陽性;測試呈陽性The test proved positive.測試結果呈陽性。ADVERBstrongly, weakly (both technical術語) 強陽性;弱陽性PREPOSITIONfor⋯呈陽性He tested positive for HIV.他艾滋病病毒測試呈陽性。
TOEFL IELTS BNC: 1198 COCA: 1049
positive adj.
complete (a positive miracle) final (positive evidence) good6 (a positive response) optimistic (a positive attitude) sure (‘Are you sure?’ ‘Positive.’) valuable2 (a positive contribution)

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