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B1 noun 10 min read

足量

zuliang
Examples 足量 in 30 Seconds
Explanation 足量 in your Level:
At the A1 level, you don't need to use '足量' (zúliàng) yet, but you might see it on a bottle of water or a food package. It simply means 'enough.' Imagine you are looking at a glass of water. If it is full, it is '足量.' At this stage, just remember that '足' means 'enough' and '量' means 'amount.' You will mostly use '足够' (zúgòu) for 'enough' in your own speaking. For example, if you want to say 'I have enough food,' you would say '我有足够的食物.' '足量' is a more adult, professional version of this. You might hear a teacher say '喝足量的水' (drink enough water). Just think of it as a fancy way to say 'the right amount.'
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By A2, you are starting to talk about health and daily routines. '足量' (zúliàng) becomes useful when you are following instructions. If a recipe says 'add a sufficient quantity of salt,' or a doctor says 'get a sufficient quantity of sleep,' they are using this word. It's different from just 'a lot' (很多). '很多' might be too much, but '足量' is exactly what is needed. You can use the pattern '足量的 + [Noun].' For example: '足量的运动' (enough exercise) or '足量的蔬菜' (enough vegetables). It helps you sound more like a native speaker who cares about health and rules. When you go shopping, you might see '足量装' on a big bag of rice, meaning it's a full-sized pack.
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At the B1 level, you should start using '足量' (zúliàng) to distinguish between general sufficiency and technical adequacy. This is the level where you discuss topics like the environment, health, and work. You should understand that '足量' is a noun that often acts like an adjective to describe a 'measured amount.' When writing an essay about health, instead of saying '喝很多水' (drink a lot of water), use '摄入足量的水分' (intake a sufficient quantity of water) to sound more academic. You should also be able to recognize it in news reports about resources, such as '足量的电力供应' (a sufficient supply of electricity). It shows you understand that 'enough' can be a specific, measurable standard.
At B2, you should be comfortable using '足量' (zúliàng) in professional and formal contexts. You should understand its nuances compared to '充足' (chōngzú) and '充分' (chōngfèn). For instance, you would use '足量' when discussing the precise dosage of a medication or the exact amount of raw materials needed in a factory. You might encounter it in legal or consumer rights contexts, where '足量' refers to the honesty of a product's weight. In a debate about social resources, you could say '政府必须提供足量的公共服务' (The government must provide a sufficient quantity of public services). Your usage should reflect an understanding that '足量' implies a specific threshold or requirement that must be met for a system to function correctly.
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For C1 learners, '足量' (zúliàng) is part of a sophisticated vocabulary used in scientific, medical, and economic discourse. You should be able to use it to describe complex systems where precise quantities are essential. For example, in a research paper, you might write about '足量的样本量' (a sufficient sample size) to ensure statistical significance. You should also understand its use in idiomatic or semi-formal phrases like '足量、全程' in medical adherence. At this level, you can also use it metaphorically in business to describe '足量的投入' (a sufficient quantity of investment) in a project, implying that without this specific level of resources, the project is doomed to fail. You can distinguish between the quantitative focus of '足量' and the qualitative focus of '充分' with ease.
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At the C2 level, '足量' (zúliàng) is used with absolute precision in highly specialized fields. You might encounter it in advanced chemical engineering, where '足量反应物' (sufficient quantity of reactants) is a technical term, or in high-level economic policy documents discussing '足量的流动性' (sufficient liquidity) in the financial markets. You should also be able to analyze its rhetorical use in political speeches, where '足量' might be used to emphasize a commitment to providing resources. You understand the historical evolution of the characters '足' and '量' and how this word fits into the broader spectrum of Chinese synonyms for 'sufficiency.' You can also identify when '足量' is used as a noun in its purest form, such as '保证足量' (ensuring full measure) in a contract or quality control standard.
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Examples

足量 in 30 Seconds

  • 足量 (zúliàng) means 'sufficient quantity' and is a formal term used to describe reaching a specific required amount.
  • It is commonly found in health, medical, and technical contexts, such as 'sufficient water' or 'full dosage of medicine.'
  • Unlike '足够' (zúgòu), which is general, '足量' specifically emphasizes the measurable quantity or volume of a substance.
  • Using '足量' helps B1 learners sound more professional and precise when discussing resources, nutrition, or standards.

The Chinese term 足量 (zúliàng) is a precise noun-adjective hybrid that translates most accurately to 'sufficient quantity' or 'full measure.' While English speakers might casually say 'enough' or 'plenty,' 足量 carries a more formal, technical, and quantitative connotation. It implies that a specific requirement or standard has been met. The character 足 (zú) literally means 'foot' but evolved to mean 'sufficient' or 'complete,' while 量 (liàng) refers to 'quantity' or 'volume.' Together, they describe a state where the amount provided matches the amount needed for a desired outcome.

Medical Context
In medicine, it refers to an adequate dosage. Taking less than the 足量 of an antibiotic can lead to drug resistance.
Nutrition and Health
It is frequently used to discuss daily requirements of water, sleep, and nutrients. For example, '足量的水分' means the full amount of water your body needs.
Manufacturing and Trade
In business, it ensures that goods are delivered in the exact weight or volume promised, without short-changing the customer.

为了保证健康，我们每天必须摄入足量的维生素。(To ensure health, we must intake a sufficient quantity of vitamins every day.)

One of the most common places you will see this word is on product packaging or in health advice columns. If a bottle of juice claims to have '足量果汁,' it is marketing that the juice content is high and meets a certain standard of richness. In a more abstract sense, it can be used to describe intangible things like '足量的练习' (a sufficient amount of practice), suggesting that the quantity of work is enough to achieve mastery. However, it is rarely used for emotions; you wouldn't say you have '足量的爱' (a sufficient quantity of love), as love isn't typically measured in discrete units.

这台机器需要足量的机油才能正常运转。(This machine needs a sufficient quantity of engine oil to operate normally.)

For an English speaker, the challenge is distinguishing 足量 from 足够 (zúgòu). While both mean 'enough,' 足够 is much more common in spoken language and functions as an adjective or adverb. 足量 is more formal and is often used as a modifier for a noun, emphasizing the 'quantity' aspect. You might hear a teacher say '时间足够' (time is enough), but a scientist would write '足量的催化剂' (a sufficient quantity of catalyst). Understanding this distinction helps in moving from casual conversation to professional or academic Chinese.

商家承诺货物足量，绝不短斤缺两。(The merchant promises the goods are in full measure, never short-weight.)

Chemical Reactions
In chemistry, reactants must be '足量' to ensure the reaction goes to completion.
Logistics
Shipping containers must be '足量' loaded to maximize efficiency without exceeding safety limits.

Using 足量 effectively requires understanding its role as an attributive or a resultative descriptor. In most cases, it precedes a noun to specify that the quantity of that noun is sufficient. The most common structure is [足量] + 的 + [Noun]. This is the gold standard for describing adequate supplies in formal writing or professional advice.

医生强调，术后需要补充足量的蛋白质。(The doctor emphasized that a sufficient quantity of protein needs to be supplemented after surgery.)

Another common usage is in the phrase ‘足量供应’ (sufficient supply). This is often seen in economic reports or news regarding natural resources. If a city has '足量供应的电力' (a sufficient supply of electricity), it means there are no blackouts and the demand is fully met. Note how the word focuses on the 'volume' or 'mass' rather than just a vague sense of 'being okay.'

Pattern 1: Object of a Verb
Verb + 足量的 + Noun. Example: 摄入足量的水分 (Intake a sufficient quantity of water).
Pattern 2: Subject of a Sentence
足量的 + Noun + Verb... Example: 足量的阳光对植物生长至关重要 (A sufficient quantity of sunlight is vital for plant growth).

When discussing measurements in a laboratory or a kitchen, 足量 is the word of choice. If a recipe calls for '足量的高筋面粉,' it means you should use exactly the amount specified, not a gram less. In scientific papers, '足量的试剂' (sufficient quantity of reagents) ensures the validity of the experiment. It is a word that demands respect for the numbers involved.

这种电池可以提供足量的电流来驱动大功率电机。(This battery can provide a sufficient quantity of current to drive high-power motors.)

In a comparative sense, 足量 is more precise than 很多 (many/much). While 很多 is subjective, 足量 is objective. If you say '这里有很多水,' there might be a flood. If you say '这里有足量的水,' it means there is exactly enough water for the people present. This makes 足量 an excellent word for B1 learners to use when they want to sound more professional and accurate in their descriptions of resources and necessities.

Pattern 3: Predicative Use
Amount + 是 + 足量的. Example: 这份样品的重量是足量的 (The weight of this sample is sufficient/full measure).

我们要确保贫困地区的儿童能获得足量的教育资源。(We must ensure children in impoverished areas can obtain a sufficient quantity of educational resources.)

In the real world, 足量 is a staple of professional communication, health broadcasts, and consumer rights. If you walk into a pharmacy in China, you might see posters about '足量、全程' (full dose, full course) of medication, which is a standard medical advice for treating chronic illnesses or infections. This highlights the word's association with responsibility and adherence to standards.

只有足量的运动，才能达到减肥的效果。(Only with a sufficient quantity of exercise can the weight loss effect be achieved.)

In the context of the 'Consumer Rights Day' (March 15th in China), the media often discusses '足量' in terms of product weight. A common complaint is when a bag of chips is mostly air; people will say the product is not '足量.' Therefore, hearing this word in a market setting usually implies a discussion about fairness and honesty in trade. It is the opposite of '偷工减料' (cutting corners or using inferior materials).

Health Documentaries
Narrators often use '足量' when explaining biological processes, such as '足量的红细胞' (a sufficient quantity of red blood cells).
Fitness Apps
Apps might track if you've had '足量的睡眠' (sufficient sleep) or '足量的卡路里' (sufficient calories).

Furthermore, in the workplace, a manager might ask if there are '足量的办公用品' (a sufficient quantity of office supplies). In this scenario, it isn't just about having some pens; it's about having exactly enough for the entire team to function without interruption. The word elevates the conversation from 'do we have pens?' to 'is our inventory sufficient for our operational needs?'

实验室里必须备有足量的急救药品。(The laboratory must be equipped with a sufficient quantity of first-aid medicines.)

In educational settings, teachers might discuss '足量的阅读' (sufficient reading) as a prerequisite for improving one's writing skills. Here, '足量' implies a threshold. It suggests that there is a 'magic number' of books or articles one must read before a qualitative change in their language ability occurs. This makes the word very motivating in a pedagogical context, as it implies a goal that can be measured and reached.

Online Shopping
Reviews often mention '分量足' or '足量,' meaning the portion size was generous or exactly as advertised.

为了保证工程质量，必须使用足量的水泥。(To ensure engineering quality, a sufficient quantity of cement must be used.)

One of the most frequent errors learners make is confusing 足量 (zúliàng) with 足够 (zúgòu). While they share the character '足,' their usage is quite different. 足够 is much more flexible. You can say '我足够强大' (I am strong enough), where '足够' acts as an adverb modifying an adjective. However, you cannot say '我足量强大.' 足量 is strictly tied to 'quantity' or 'volume' (量).

错误：他有足量的时间。(Incorrect: He has a 'sufficient quantity' of time - sounds too technical.)
正确：他有足够的时间。(Correct: He has enough time.)

Another common mistake is using 足量 as a verb. In English, we might say 'to suffice,' but 足量 is a noun or an attributive adjective. You cannot say '这些钱足量了' (This money is sufficient quantity-ed). Instead, you would say '这些钱足够了' or '这里的钱是足量的' (The money here is of a sufficient quantity).

Mistake: Over-formalization
Using '足量' in casual settings like 'I have enough apples.' This makes you sound like a scientist talking about a fruit experiment.
Mistake: Confusing with '充足' (chōngzú)
'充足' is often used for resources like light, air, or energy. '足量' is more about the precise measure. You'd say '阳光充足' but '足量的维生素.'

Learners also struggle with the placement of 足量 in sentences involving numbers. You wouldn't say '五公斤足量' if you mean 'a full five kilograms.' Instead, you would say '足足五公斤' or '整整五公斤.' 足量 is better used as a general descriptor of a required amount rather than a modifier for a specific numeral. Think of it as 'the full required dose' rather than 'exactly [number].'

不要因为便宜而购买不足量的产品。(Don't buy products that aren't 'full measure' just because they are cheap.)

Finally, avoid using 足量 for qualitative 'sufficiency.' For instance, if someone asks if your Chinese is 'enough' for a job, you would use 足够 (My Chinese is enough: 我的中文足够了), not 足量. Using 足量 there would imply your Chinese is measured in liters or kilograms, which sounds quite strange!

Confusion with '分量' (fènliàng)
'分量' means 'portion' or 'weight.' '足量' means the quantity is 'sufficient.' They are related but not interchangeable.

To truly master 足量, you must see where it sits among its synonyms. The Chinese language has many ways to express 'enough,' each with a specific nuance. 足够 (zúgòu), 充足 (chōngzú), 充分 (chōngfèn), and 丰沛 (fēngpèi) are the most common alternatives, but they are not always interchangeable.

足量 (zúliàng) vs. 足够 (zúgòu)
足量: Quantitative, formal, focuses on physical amount. (e.g., 足量的油).
足够: General, common, can be abstract or physical. (e.g., 足够的时间, 足够好).
足量 (zúliàng) vs. 充足 (chōngzú)
足量: Focuses on 'meeting the required amount.'
充足: Focuses on 'abundance' or 'plentiful supply.' Often used for sunlight (阳光充足), evidence (证据充足), or funds (资金充足).

虽然我们的资金充足，但仍需确保每项开支都足量投入。(Although our funds are abundant, we still need to ensure each expenditure is invested in a sufficient quantity.)

Another word often confused is 充分 (chōngfèn). While 足量 is about 'how much,' 充分 is often about 'to what extent' or 'thoroughness.' You would say '充分的理由' (a sufficient/full reason) or '充分利用' (to make full use of). You wouldn't use 足量 for a reason because a reason doesn't have a measurable volume. Using 充分 suggests depth and completeness of an action or logic.

For natural resources like rain or rivers, 丰沛 (fēngpèi) is the poetic choice. It means 'copious' or 'abundant.' You would hear '雨水丰沛' (abundant rainfall). 足量 would sound too clinical here. If you are writing a poem about a lush forest, use 丰沛. If you are writing a report for a water management bureau about the minimum required water for a crop, use 足量.

Summary Table
  • 足量: Precise amount, technical, measurable.
  • 足够: General 'enough,' very common.
  • 充足: Plentiful, rich supply.
  • 充分: Thorough, complete (abstract).
  • 丰沛: Abundant (natural resources).

在干旱季节，确保牲畜有足量的饮水是首要任务。(In the dry season, ensuring livestock have a sufficient quantity of drinking water is the primary task.)

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Examples by Level

1

请喝足量的水。

Please drink a sufficient quantity of water.

足量的 (adj) + 水 (noun)

2

我们要吃足量的菜。

We need to eat a sufficient quantity of vegetables.

足量的 (adj) + 菜 (noun)

3

这个包里有足量的米。

There is a sufficient quantity of rice in this bag.

足量的 (adj) + 米 (noun)

4

每天要有足量的睡眠。

Have a sufficient quantity of sleep every day.

足量的 (adj) + 睡眠 (noun)

5

书包里有足量的纸。

There is a sufficient quantity of paper in the backpack.

足量的 (adj) + 纸 (noun)

6

医生说要吃足量的药。

The doctor says to take a sufficient quantity of medicine.

足量的 (adj) + 药 (noun)

7

这里有足量的阳光。

There is a sufficient quantity of sunlight here.

足量的 (adj) + 阳光 (noun)

8

这个汤里有足量的盐。

There is a sufficient quantity of salt in this soup.

足量的 (adj) + 盐 (noun)

1

为了健康，每天要摄入足量的水果。

For health, you need to intake a sufficient quantity of fruit every day.

摄入 (verb) + 足量的 (adj) + 水果 (noun)

2

这台电脑需要足量的电力。

This computer needs a sufficient quantity of power.

需要 (verb) + 足量的 (adj) + 电力 (noun)

3

运动员需要足量的休息时间。

Athletes need a sufficient quantity of rest time.

足量的 (adj) + 休息时间 (noun phrase)

4

做这个菜需要足量的油。

Making this dish requires a sufficient quantity of oil.

需要 (verb) + 足量的 (adj) + 油 (noun)

5

我们要保证足量的练习。

We must ensure a sufficient quantity of practice.

保证 (verb) + 足量的 (adj) + 练习 (noun)

6

请确保给植物足量的水。

Please ensure you give the plants a sufficient quantity of water.

给 (verb) + [Object] + 足量的 (adj) + 水 (noun)

7

这个盒子里有足量的糖果。

There are sufficient quantities of candies in this box.

有 (verb) + 足量的 (adj) + 糖果 (noun)

8

考试前需要足量的复习。

Sufficient revision is needed before the exam.

需要 (verb) + 足量的 (adj) + 复习 (noun)

1

为了防止脱水，运动后应补充足量的电解质。

To prevent dehydration, a sufficient quantity of electrolytes should be supplemented after exercise.

补充 (verb) + 足量的 (adj) + 电解质 (noun)

2

这家超市保证每袋大米都足量。

This supermarket guarantees every bag of rice is of a sufficient quantity (full weight).

足量 (noun/adj) used as a predicative here.

3

只有摄入足量的纤维，才能促进消化。

Only by intaking a sufficient quantity of fiber can digestion be promoted.

摄入 (verb) + 足量的 (adj) + 纤维 (noun)

4

我们必须储备足量的木柴来过冬。

We must stockpile a sufficient quantity of firewood to get through the winter.

储备 (verb) + 足量的 (adj) + 木柴 (noun)

5

老师建议我们每天进行足量的阅读。

The teacher suggests we conduct a sufficient quantity of reading every day.

进行 (verb) + 足量的 (adj) + 阅读 (noun)

6

这个实验需要足量的氧气参与反应。

This experiment requires a sufficient quantity of oxygen to participate in the reaction.

需要 (verb) + 足量的 (adj) + 氧气 (noun)

7

确保你的相机有足量的电量。

Ensure your camera has a sufficient quantity of battery power.

有 (verb) + 足量的 (adj) + 电量 (noun)

8

我们需要足量的证据来证明他的清白。

We need a sufficient quantity of evidence to prove his innocence.

需要 (verb) + 足量的 (adj) + 证据 (noun)

1

医生建议抗生素必须足量、全程使用。

The doctor suggests that antibiotics must be used in a sufficient quantity and for the full course.

足量 (adverbial use) + 全程 (adverbial use) + 使用 (verb)

2

这种新型材料需要足量的热处理才能达到强度要求。

This new type of material requires a sufficient quantity of heat treatment to reach the strength requirements.

需要 (verb) + 足量的 (adj) + 热处理 (noun phrase)

3

为了应对旱情，水库必须蓄存足量的淡水。

To cope with the drought, the reservoir must store a sufficient quantity of fresh water.

蓄存 (verb) + 足量的 (adj) + 淡水 (noun)

4

企业在研发上投入了足量的资金。

The enterprise has invested a sufficient quantity of funds into research and development.

投入 (verb) + 足量的 (adj) + 资金 (noun)

5

只有保证足量的光照，温室里的蔬菜才能长得好。

Only by ensuring a sufficient quantity of light can the vegetables in the greenhouse grow well.

保证 (verb) + 足量的 (adj) + 光照 (noun)

6

这次探险活动必须带上足量的氧气瓶。

This expedition must bring a sufficient quantity of oxygen tanks.

带上 (verb) + 足量的 (adj) + 氧气瓶 (noun)

7

法律规定，食品包装必须标明是否足量。

The law stipulates that food packaging must indicate whether it is of a sufficient quantity (full weight).

是否 (if/whether) + 足量 (noun/adj)

8

我们需要足量的耐心来处理这个复杂的问题。

We need a sufficient quantity of patience to handle this complex issue.

需要 (verb) + 足量的 (adj) + 耐心 (noun)

1

在化学滴定实验中，必须加入足量的指示剂。

In chemical titration experiments, a sufficient quantity of indicator must be added.

加入 (verb) + 足量的 (adj) + 指示剂 (noun)

2

该政策的实施需要足量的基层干部支持。

The implementation of this policy requires a sufficient quantity of support from grassroots officials.

需要 (verb) + 足量的 (adj) + [Noun Phrase]

3

为了维持生态平衡，森林中必须有足量的捕食者。

To maintain ecological balance, there must be a sufficient quantity of predators in the forest.

有 (verb) + 足量的 (adj) + 捕食者 (noun)

4

市场上的流动性必须保持足量，以防金融危机。

Liquidity in the market must remain at a sufficient quantity to prevent a financial crisis.

保持 (verb) + 足量 (noun/adj)

5

这种算法需要足量的训练数据才能提高准确率。

This algorithm needs a sufficient quantity of training data to improve its accuracy.

需要 (verb) + 足量的 (adj) + 训练数据 (noun phrase)

6

该项目的成功取决于是否有足量的技术储备。

The success of the project depends on whether there is a sufficient quantity of technical reserves.

是否有 (whether there is) + 足量的 (adj) + 技术储备 (noun phrase)

7

在这一阶段，我们需要足量的煤炭供应来保证发电。

At this stage, we need a sufficient quantity of coal supply to guarantee power generation.

需要 (verb) + 足量的 (adj) + 煤炭供应 (noun phrase)

8

这种治疗方案强调足量给药的重要性。

This treatment plan emphasizes the importance of administering a sufficient quantity of medication.

足量 (adj) + 给药 (verb-object/noun)

1

在宏观经济调控中，确保货币供应足量是稳增长的关键。

In macroeconomic regulation, ensuring a sufficient quantity of money supply is key to steady growth.

供应 (noun/verb) + 足量 (noun/adj)

2

由于未能提供足量的证据，原告的起诉被驳回了。

Because of the failure to provide a sufficient quantity of evidence, the plaintiff's lawsuit was dismissed.

提供 (verb) + 足量的 (adj) + 证据 (noun)

3

该反应器必须在足量的催化剂作用下才能高效运行。

The reactor must operate efficiently under the action of a sufficient quantity of catalyst.

在...作用下 (under the action of) with 足量的 (adj) + 催化剂 (noun)

4

为了实现碳中和，我们需要足量的可再生能源装机容量。

To achieve carbon neutrality, we need a sufficient quantity of installed capacity for renewable energy.

需要 (verb) + 足量的 (adj) + [Noun Phrase]

5

该论文论证了足量的社会资本对于社区治理的意义。

The paper demonstrates the significance of a sufficient quantity of social capital for community governance.

足量的 (adj) + 社会资本 (noun phrase)

6

在极地环境下，探险队必须携带足量的热能储备。

In polar environments, the expedition team must carry a sufficient quantity of thermal energy reserves.

携带 (verb) + 足量的 (adj) + 热能储备 (noun phrase)

7

只有在足量的抗原刺激下，免疫系统才能产生足够的抗体。

Only under the stimulation of a sufficient quantity of antigens can the immune system produce enough antibodies.

在...刺激下 (under the stimulation of) with 足量的 (adj) + 抗原 (noun)

8

历史学家认为，足量的文献资料是还原真相的前提。

Historians believe that a sufficient quantity of documentary materials is the prerequisite for restoring the truth.

足量的 (adj) + 文献资料 (noun phrase)

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