Word: 理论 (lǐlùn)

他提出了一种新理论。

Tā tíchūle yìzhǒng xīn lǐlùn.

He put forward a new theory.

你的理论并没有科学根据。

Nǐ de lǐlùn bìng méiyǒu kēxué gēnjù.

Your theory has no scientific basis.

她正在学习中医的理论体系。

Tā zhèngzài xuéxí zhōngyī de lǐlùn tǐxì.

She is studying the theoretical system of traditional Chinese medicine.

实验证明了他的理论。

Shíyàn zhèngmíng le tā de lǐlùn.

The experiment confirmed his theory.

我不想听你的理论。

Wǒ bùxiǎng tīng nǐ de lǐlùn.

I don't want to hear your theories.

我在他的理论中找不到任何问题。

Wǒ zài tā de lǐlùn zhōng zhǎo búdào rènhé wèntí.

I can't find a single flaw in his theory.

我无意争辩你的理论。

Wǒ wúyì zhēngbiàn nǐ de lǐlùn.

I have no intention in arguing about your theory.

我的理论是这样。

Wǒ de lǐlùn shì zhèyàng.

That's my theory.

最后，他终于明白了那个理论。

Zuìhòu, tā zhōngyú míngbai le nàge lǐlùn.

At long last, he understood the theory.

然而，相反的理论往往也是真的。

Rán'ér, xiāngfǎn de lǐlùn wǎngwǎng yě shì zhēnde.

And yet, the contrary is always true as well.

理论与实践总是相辅相成。

Lǐlùn yǔ shíjiàn zǒngshì xiāngfǔxiāngchéng.

Theory and practice always complement each other.

理论和实践本来就应该相辅相成。

Lǐlùn hé shíjiàn běnlái jiù yīnggāi xiāngfǔxiāngchéng.

Theory and practice should naturally complement each other.

理论和实际不能脱节。

Lǐlùn hé shíjì bùnéng tuōjié.

Theory must not become detached from practice.

理论学习和实际练习应该并行。

Lǐlùn xuéxí hé shíjì liànxí yīnggāi bìngxíng.

Studying theory and practising in real life should go hand in hand.

理论得联系实际。

Lǐlùn de liánxì shíjì.

Theory and practice should go hand in hand.

相对论是很有名的理论。

Xiāngduìlùn shì hěn yǒumíng de lǐlùn.

The theory of relativity is a very famous theory.

科学家的工作就是对理论加以检验。

Kēxuéjiā de gōngzuò jiùshì duì lǐlùn jiāyǐ jiǎnyàn.

The work of a scientist is to put ideas to the test.