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
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