be positive about sth
I am positive about the future.
我对未来持乐观态度。
确信的；有把握的；明确的；肯定的；同意的；阳性的；正的；非负的；真实的；实际的；带正电的；正极的
good, constructive, or beneficial
包含的、存在的、以肯定为特征的。
Included, present, characterized by affirmation.
正式规定的。
Formally laid down.
明确陈述且无保留。
Stated definitively and without qualification.
具有肯定、接受或确定等特征的
characterized by or displaying affirmation or acceptance or certainty etc.
意见完全确定。
Fully assured in opinion.
大于零。
Greater than zero.
大于或等于零。
Greater than or equal to zero.
具有建设性或积极影响的。
Characterized by constructiveness or influence for the better.
过于自信,教条主义。
Overconfident, dogmatic.
实际的,真实的,具体的,不是理论或推测的。
Actual, real, concrete, not theoretical or speculative.
质子多于电子。
Having more protons than electrons.
描述形容词、副词或名词的基本意义；不是比较级、最高级、增强或缩小形式。
Describing the primary sense of an adjective, adverb or noun; not comparative, superlative, augmentative nor diminutive.
描述未被否定的动词,尤其在具有肯定和否定动词形式的语言中(如芬兰语)。
Describing a verb that is not negated, especially in languages which have distinct positive and negative verb forms, e.g., Finnish.
由物体本身得出；不依赖于变化的环境或关系。
Derived from an object by itself; not dependent on changing circumstances or relations.
以区分性特征的存在或具备为特征,而非以其缺失为特征。
Characterized by the existence or presence of distinguishing qualities or features, rather than by their absence.
以支持假设的特征的存在为特征。
Characterized by the presence of features which support a hypothesis.
已确认的,直截了当的。
Confirmed, straight-up.
对于视觉图像,在明暗、色彩和色值上与原作一致。
Of a visual image, true to the original in light, shade and colour values.
有利的,为评判者所期望或看好的。
Favorable, desirable by those interested or invested in that which is being judged.
完全是所表达的；口语中意为十足的、完全的、彻头彻尾的。
Wholly what is expressed; colloquially downright, entire, outright.
乐观的。
Optimistic.
正电性的。
electropositive
碱性的；金属的；非酸性的；与阴性相对,用于金属、碱和碱性基团。
basic; metallic; not acid; opposed to negative, and said of metals, bases, and basic radicals.
She received positive feedback from her supervisor on the project.
她收到了主管对项目的积极反馈。
用法提示：这里“positive”作为形容词，修饰“feedback”，表示“肯定的、积极的”评价。
AI contextual example
The test results were positive, so the treatment is working.
测试结果是阳性的，所以治疗有效。
用法提示：在医学上下文中，“positive”指“阳性的”，表示存在某种物质或状况。
AI contextual example
He maintains a positive attitude even in difficult situations.
即使在困难的情况下，他也保持积极的态度。
用法提示：“positive”修饰“attitude”，表示“乐观的、积极的”心态。
AI contextual example
I am positive about the future.
我对未来持乐观态度。
She is positive that she locked the door.
她确信自己锁了门。
He tested positive for COVID-19.
他新冠病毒检测呈阳性。
grammar · medium
易错句子I positive that he is right.
正确表达I am positive that he is right.
形容词需与系动词连用，不能单独作谓语。‘positive’是形容词，必须与‘am/is/are’等连用才能构成正确的谓语结构。
grammar · medium
易错句子She is positive to the plan.
正确表达She is positive about the plan.
介词搭配错误。‘positive’后应接介词‘about’表示‘对…肯定/有把握’，而非‘to’。
针对表示'肯定的、确信的'的positive
positive 强调积极的态度或结果（如积极回应），optimistic 特指对未来的乐观预期
positive 指肯定或积极，confident 强调对自身或某事有信心
positive 侧重积极肯定，certain 强调毫无疑问
积极的态度
She always has a positive attitude towards life.
她对生活总是抱有积极的态度。
积极的结果；阳性结果
The test came back with a positive result.
检测结果呈阳性。
正面反馈
The teacher gave positive feedback on my essay.
老师对我的文章给予了正面反馈。
积极思考
Positive thinking can help you overcome challenges.
积极思考能帮助你克服挑战。
积极影响
Exercise has a positive effect on mental health.
锻炼对心理健康有积极影响。
乐观的看法
He maintains a positive outlook despite the difficulties.
尽管困难重重，他仍保持乐观的看法。
积极思考
A positive thinking can help you overcome many obstacles.
积极思考可以帮助你克服许多障碍。
积极态度
She always maintains a positive attitude even in difficult times.
即使在困难时期，她也始终保持积极态度。
正强化
Teachers use positive reinforcement to encourage good behavior.
老师使用正强化来鼓励良好行为。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.