In 15 Seconds
- Means 'to take effect' or 'to be effective'.
- Use it for medicine, advice, or business strategies.
- Place 'bu' (不) before it to say something is useless.
Meaning
It's used to say that something is actually working or having the desired effect. Think of it like saying 'the medicine is kicking in' or 'your advice really helped.'
Key Examples
3 of 6Talking about medicine
感冒药开始起作用了。
The cold medicine is starting to work.
Business meeting
这个新计划起到了很大的作用。
This new plan has played a very big role.
Texting a friend about advice
你的建议真的起作用了，谢谢！
Your advice really worked, thanks!
Cultural Background
The phrase reflects the pragmatic nature of Chinese communication, focusing on the 'function' (作用) of actions. Historically, it is often associated with the effectiveness of herbal medicine or social policies. Today, it is a staple in both business efficiency talk and daily life problem-solving.
The 'Le' Factor
Add `了` (le) at the end (`起作用了`) to emphasize that the effect has just started happening right now!
Not for People
Don't use this to say a person is 'working' at their desk. Use `他在工作`. `起作用` is for their influence, not their labor.
In 15 Seconds
- Means 'to take effect' or 'to be effective'.
- Use it for medicine, advice, or business strategies.
- Place 'bu' (不) before it to say something is useless.
What It Means
起作用 (qǐ zuòyòng) is your go-to phrase for results. It means something has started to function or influence a situation. It’s not just about machines working. It’s about impact. If you take a pill and the headache vanishes, that’s 起作用. If you give a friend advice and they actually listen, your words 起作用ed. It’s the bridge between 'doing something' and 'getting a result.'
How To Use It
You usually place it after the subject that is causing the change. You can add modifiers in the middle to show how well it’s working. For example, 起到了很大的作用 means it played a huge role. You can also use it in the negative: 不起作用. This is perfect for when that 'miracle' face cream does absolutely nothing for your skin. It’s a very flexible verb-object construction.
When To Use It
Use it whenever you see a cause-and-effect relationship.
- At the doctor: 'Is this medicine working yet?'
- At work: 'Did that new marketing strategy help?'
- With friends: 'Your pep talk really worked!'
It’s great for texting when you want to give someone credit for their help. It feels active and positive.
When NOT To Use It
Don't use it for people 'working' at a job. For that, use 工作. You also shouldn't use it for a broken phone that won't turn on. In that case, use 坏了 or 不能用了. 起作用 is about the *influence* or *efficacy* of a thing, not just its mechanical state. Don't use it for 'working out' at the gym either—that’s 锻炼.
Cultural Background
Chinese culture values practical results and 'efficacy' (药效 or 成效). There is a deep respect for things that are 'useful.' This phrase reflects a pragmatic worldview. In traditional medicine (TCM), people often talk about how slowly or quickly a treatment 起作用. It’s a word that bridges the gap between ancient wisdom and modern efficiency.
Common Variations
起到了作用: It has worked (past tense/completed).不起作用: It’s useless/not working.起什么作用?: What’s the point? / What effect does it have?起关键作用: To play a key role. Use this to sound like a pro in meetings!
Usage Notes
The phrase is highly versatile and fits almost any situation where a cause leads to an effect. Remember to use `起到...作用` when adding adjectives like 'big' or 'key'.
The 'Le' Factor
Add `了` (le) at the end (`起作用了`) to emphasize that the effect has just started happening right now!
Not for People
Don't use this to say a person is 'working' at their desk. Use `他在工作`. `起作用` is for their influence, not their labor.
The Power of 'Big'
In Chinese, people love saying `起到了很大的作用`. It sounds much more natural and enthusiastic than just saying it worked.
Examples
6感冒药开始起作用了。
The cold medicine is starting to work.
A very common way to describe physical relief.
这个新计划起到了很大的作用。
This new plan has played a very big role.
Shows the plan was successful and impactful.
你的建议真的起作用了，谢谢！
Your advice really worked, thanks!
Giving credit to a friend for their help.
空调好像不起作用，还是太热了。
The AC doesn't seem to be working; it's still too hot.
Using the negative form to express frustration.
他在团队中起到了关键作用。
He played a key role in the team.
Formal praise for someone's contribution.
别担心，时间会起作用的。
Don't worry, time will do its work.
A poetic way to say time heals all wounds.
Test Yourself
Choose the correct phrase to say the medicine is working.
这种药对我___。
`起作用` refers to the effectiveness of the medicine, while `工作` is for human labor.
How do you say something is NOT working?
我的办法好像___。
`不起作用` is the standard way to express that a method or object is failing to have an effect.
🎉 Score: /2
Visual Learning Aids
Formality of '起作用'
Texting a friend about a coffee kick.
咖啡起作用了！
Daily conversation about medicine.
药起作用了。
Business reports or speeches.
政策起到了积极作用。
Where to use '起作用'
Healthcare
Medicine kicking in
Relationships
Advice being taken
Office
Strategy working
Home
Repairs holding up
Practice Bank
2 exercises这种药对我___。
`起作用` refers to the effectiveness of the medicine, while `工作` is for human labor.
我的办法好像___。
`不起作用` is the standard way to express that a method or object is failing to have an effect.
🎉 Score: /2
Frequently Asked Questions
10 questionsNot really. If the computer won't turn on, say 坏了 (huàile). Use 起作用 for things like software updates or settings that are supposed to change how it behaves.
Yes, it's very professional. You can say 该策略起到了显著作用 (This strategy played a significant role).
有效 (yǒuxiào) is an adjective meaning 'effective.' 起作用 is the verb phrase meaning 'to take effect.' You'd say 'The medicine is 有效' or 'The medicine 起作用了.'
You can say 一点不起作用 (yīdiǎn bù qǐ zuòyòng) or 完全不起作用 (wánquán bù qǐ zuòyòng).
Absolutely! If a wizard casts a spell and someone turns into a frog, the spell 起作用了.
No, it's a standard neutral phrase used by everyone from kids to CEOs.
No, that sounds weird. Say 你起到了很大的作用 (You played a big role/were very helpful).
Usually, yes, but it can be neutral. It just means 'produced an effect,' whether that effect was good or bad depends on the context.
作用 means 'function' or 'effect.' So you are literally 'starting the function' of something.
You can simply ask 起作用了吗？ (Qǐ zuòyòng le ma?)
Related Phrases
生效
To go into effect (usually for laws or contracts)
有效
Effective / Valid
见效
To see results (often used for medicine)
管用
Useful / Works well (more colloquial)
