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理论

lǐlùn

theory

Usage note

理论表示对事情的系统解释。

lǐ lùn biǎo shì duì shì qíng de xì tǒng jiě shì。

理论 means a systematic explanation of something.

Context note

理论常用于学习、科学和讨论。

lǐ lùn cháng yòng yú xué xí 、 kē xué hé tǎo lùn。

It is often used with study, science, and discussion.

5 examples

这只是理论
zhè zhǐ shì lǐ lùn。
This is only theory.
老师讲了理论
lǎo shī jiǎng le lǐ lùn。
The teacher explained the theory.
理论和实践都重要。
lǐ lùn hé shí jiàn dōu zhòng yào。
Theory and practice are both important.
他喜欢研究理论
tā xǐ huan yán jiū lǐ lùn。
He likes studying theory.
这个理论很有名。
zhè ge lǐ lùn hěn yǒu míng。
This theory is very famous.

5 mini stories

老师说,理论要和实践结合。
lǎo shī shuō, lǐ lùn yào hé shí jiàn jié hé。
The teacher said theory should be combined with practice.
他学了很多理论知识。
tā xué le hěn duō lǐ lùn zhī shi。
He learned a lot of theoretical knowledge.
理论可以帮助理解。
lǐ lùn kě yǐ bāng zhù lǐ jiě。
Theory can help understanding.
这项研究提出了新理论
zhè xiàng yán jiū tí chū le xīn lǐ lùn。
This study proposed a new theory.
先懂理论,再做练习。
xiān dǒng lǐ lùn, zài zuò liàn xí。
Understand the theory first, then do exercises.

Mini dialogue

科学课

A
这个理论很难懂。
Zhè ge lǐlùn hěn nán dǒng.
This theory is hard to understand.
B
我们可以一起学习。
Wǒmen kěyǐ yīqǐ xuéxí.
We can study together.

讨论

A
你的理论很有意思。
Nǐ de lǐlùn hěn yǒu yìsi.
Your theory is very interesting.
B
谢谢,这是我从书里看到的。
Xièxie, zhè shì wǒ cóng shū lǐ kàn dào de.
Thanks, I saw this in a book.

Related words and contrasts

contrast
实践
shíjiàn
practice

理论 is theory, while 实践 is putting ideas into action.

related
概念
gàiniàn
concept

概念 is a general idea, often part of a theory.

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