质量
The standard of something as measured against other things of a similar kind; the degree of excellence of something. In physics, it also means mass.
Examples
3 of 5睡眠质量直接影响第二天的精神。
Sleep quality directly affects energy levels the next day.
我们需要提高教育质量。
We need to improve the quality of education.
这种纸的质量很差。
The quality of this paper is very poor.
Word Family
Memory Tip
Zhi (substance) + Liang (measure) = Measuring the substance of something.
Quick Quiz
虽然价格便宜，但是这件衣服的____不太好。
Correct!
The correct answer is: 质量
Examples
睡眠质量直接影响第二天的精神。
everydaySleep quality directly affects energy levels the next day.
我们需要提高教育质量。
formalWe need to improve the quality of education.
这种纸的质量很差。
informalThe quality of this paper is very poor.
物理学中，质量是一个基本概念。
academicIn physics, mass is a fundamental concept.
空气质量正在逐年改善。
academicAir quality is improving year by year.
Word Family
Common Collocations
Common Phrases
质量控制
quality control
质量第一
quality first
教学质量
teaching quality
Often Confused With
素质 (inner quality) usually refers to a person's character or skills; 质量 (quality) refers to products, services, or abstract concepts like life.
Usage Notes
A key word for describing products in Task 1 or discussing society in Task 2.
Common Mistakes
Do not confuse with 'quantity' (数量). Remember: 'quality over quantity'.
Memory Tip
Zhi (substance) + Liang (measure) = Measuring the substance of something.
Word Origin
Zhi (essence/substance) + Liang (quantity/measure).
Grammar Patterns
Quick Quiz
虽然价格便宜，但是这件衣服的____不太好。
Correct!
The correct answer is: 质量
Related Vocabulary
More business words
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B1Allowing light to pass through so that objects behind can be distinctly seen; (figuratively) easy to perceive or detect; open and honest.
支出
B1An amount of money spent, or the act of spending money. In academic writing, it refers to budget allocation or household spending patterns.
咨询
B1To seek information or advice from an expert or a professional.
拟定
B1To draw up a plan, draft a document, or work out a proposal for later approval.
份额
B1A portion or share of something, especially in terms of market, responsibility, or profit.
筛选
B1To choose some people or things from a larger group; to filter or sift through information.
可行性
B1The degree to which something can be done or achieved; feasibility.
竞争力
B1The ability of an entity (person, company, or country) to compete effectively with others; competitiveness.
生产力
B1The effectiveness of productive effort, especially in industry, as measured in terms of the rate of output per unit of input; productivity.
旨在
B1To have a particular purpose or objective in mind. It is used to state the goal or intention of a project, policy, or specific action.
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