The term '没有用' directly translates to 'useless' or 'unhelpful', indicating a lack of value or function.
Word in 30 Seconds
- Describes something as useless or unhelpful.
- Indicates a lack of value or function.
- Commonly used in everyday conversation.
Overview
“没有用”是一个非常基础且常用的中文词汇，用来形容某人或某物缺乏价值、功能或效用。它直接表达了一种负面的评价，意味着某事无法达到预期的目的，或者在当前情境下不具备任何积极作用。在日常交流中，这个词的出现通常伴随着失望、不满或对效率低下的指责。
“没有用”通常用作形容词，可以直接修饰名词，也可以用在“是/很/太 + 没有用”的结构中。它可以用来评价物品、工具、方法、建议，甚至包括人的能力或行为。例如，“这个旧手机已经没有用了”，表示手机已经过时，无法满足基本需求。在口语中，人们也常用“没用”来代替“没有用”，意思完全相同。
这个词常出现在讨论物品的实用性、评估某项计划的可行性、评价学习或工作的效率，以及表达对他人建议或行为的否定等场景。例如：
人员评价（相对委婉）：‘他在这方面好像没什么用。’
与“没有用”意思相近但侧重点不同的词语包括：
- 无用 (wúyòng)：比“没有用”更书面化，也更强调完全没有价值或用途，程度更强。
- 无效 (wúxiào)：侧重于未能产生预期的效果或法律效力，常用于医学、法律或实验的语境。
- 白费 (báifèi)：指徒劳无功，强调付出的努力没有得到回报，如“白费力气”。
- 多余 (duōyú)：指超过需要的，不必要的，有时也暗含“没有用”的意思，但更侧重于数量或必要性。
“没有用”是最口语化、最直接的表达，适用于大多数日常场合。
Examples
这个旧的打印机已经没有用了，我们应该买个新的。
everydayThis old printer is useless now; we should buy a new one.
如果不能解决实际问题，那么空谈理论是没有用的。
formalIf it cannot solve practical problems, then empty talk is useless.
我试了好几次，但这个软件还是没有用，真是气死我了！
informalI tried several times, but this software is still useless, it's so frustrating!
在缺乏足够数据的情况下，过早地下结论是具有潜在风险且可能没有用的。
academicDrawing conclusions prematurely without sufficient data is potentially risky and may prove unhelpful.
Common Collocations
Common Phrases
一点用也没有
not useful at all
说了也没有用
it's no use saying it
做也是没有用
it's useless to do it
Often Confused With
'无效' (wúxiào) specifically means 'ineffective' or 'invalid', often used when something fails to produce the expected result or lacks legal/formal validity. '没有用' is broader, meaning generally useless or unhelpful.
'无用' (wúyòng) is a more formal and stronger term for 'useless', implying a complete lack of value or purpose. '没有用' is more common in everyday speech and can sometimes imply 'not useful *in this situation*' rather than absolutely useless.
Grammar Patterns
How to Use It
Usage Notes
This is a very common adjective in Mandarin Chinese. It is generally neutral in register but can sound blunt or critical depending on the context and tone. It's widely understood across all levels of formality, though more formal writing might prefer '无用' or '无效' depending on the precise meaning.
Common Mistakes
Learners might sometimes use it too frequently or in situations where a more polite or specific term is needed. Also, confusing its nuances with '无效' (ineffective) or '无用' (utterly useless) can lead to slight inaccuracies in meaning.
Tips
Use '没用' for casual speech
In everyday conversations, '没用' is a more common and natural-sounding alternative to '没有用'.
Avoid overuse when criticizing
Calling something or someone '没有用' can be quite direct and negative. Consider softer phrasing if politeness is required.
Focus on function and utility
Chinese culture often values practicality and effectiveness. '没有用' directly challenges these aspects.
Word Origin
The word is a straightforward combination of '没有' (méiyǒu - not have, there isn't) and '用' (yòng - use, utility). It literally means 'not have use'.
Cultural Context
In Chinese culture, practicality and efficiency are often valued. Describing something as '没有用' directly negates its perceived value or contribution, which can be seen as a strong criticism.
Memory Tip
Think of '没有' (méiyǒu - don't have) combined with '用' (yòng - use). If you 'don't have use' for something, it's '没有用' (useless).
Frequently Asked Questions
4 questions在大多数日常口语交流中，“没有用”和“没用”可以互换使用，意思基本相同。 “没用”是“没有用”的口语化缩略形式，听起来更自然、更简洁。
可以，但通常带有批评或否定的意味。形容人“没有用”意味着这个人能力不足，无法在某个方面做出贡献，或者显得多余。
直接说“没有用”可能显得不够礼貌。可以根据具体情况使用更委婉的表达，例如“不太擅长”、“能力有限”或者“这方面帮助不大”。
“没有用”泛指没有价值或功能，而“无效”更侧重于未能达到预期效果或失去效力，常用于特定的语境，如医学治疗或法律条文。
Test Yourself
这个旧手机已经太老了，对我来说已经_______了。
句子描述手机老旧，无法满足需求，因此是“没有用”。
下列哪个句子表达了某事物不具备价值或功能？
“没有用”直接表达了建议缺乏价值或无法提供帮助。
请用以下词语组成一个句子： 东西 / 这个 / 没有用 / 太重了
这个句子结构完整，逻辑清晰，表达了因为太重而导致东西没有用的意思。
Score: /3
Summary
The term '没有用' directly translates to 'useless' or 'unhelpful', indicating a lack of value or function.
- Describes something as useless or unhelpful.
- Indicates a lack of value or function.
- Commonly used in everyday conversation.
Use '没用' for casual speech
In everyday conversations, '没用' is a more common and natural-sounding alternative to '没有用'.
Avoid overuse when criticizing
Calling something or someone '没有用' can be quite direct and negative. Consider softer phrasing if politeness is required.
Focus on function and utility
Chinese culture often values practicality and effectiveness. '没有用' directly challenges these aspects.
Examples
4 of 4这个旧的打印机已经没有用了，我们应该买个新的。
This old printer is useless now; we should buy a new one.
如果不能解决实际问题，那么空谈理论是没有用的。
If it cannot solve practical problems, then empty talk is useless.
我试了好几次，但这个软件还是没有用，真是气死我了！
I tried several times, but this software is still useless, it's so frustrating!
在缺乏足够数据的情况下，过早地下结论是具有潜在风险且可能没有用的。
Drawing conclusions prematurely without sufficient data is potentially risky and may prove unhelpful.
