Meaning of lǐ yóu:
理由
reason; grounds; justification; CL:個|个[ge4]
Wǒ méiyǒu lǐyóu bù xiāngxìn tā.
我没有理由不相信他。
I have no reason not to trust him.
Tā méiyǒu gěi chū chōngfèn de lǐyóu jiěshì tā de xíngwéi.
他没有给出充分的理由解释他的行为。
He did not provide sufficient grounds to explain his behavior.
Tā méiyǒu hélǐ de lǐyóu lái jiěshì tā de xíngwéi.
他没有合理的理由来解释他的行为。
He has no reasonable justification to explain his behavior.
Tā shuō chūle yīgè hěn hǎo de lǐyóu.
他说出了一个很好的理由。
He provided a very good reason.