Usage note
由于表示因为某个原因。
yóu yú biǎo shì yīn wèi mǒu gè yuán yīn。
Due to means because of a certain reason.
Context note
由于常用于说明原因和结果。
yóu yú cháng yòng yú shuō míng yuán yīn hé jié guǒ。
Due to is often used to explain reasons and results.
5 examples
由于天气不好，我们没去。
yóu yú tiān qì bù hǎo， wǒ men méi qù。
Due to bad weather, we did not go.
由于生病，他请假了。
yóu yú shēng bìng， tā qǐng jià le。
Due to illness, he took leave.
由于努力，她进步很快。
yóu yú nǔ lì， tā jìn bù hěn kuài。
Because of hard work, she improved quickly.
由于堵车，他迟到了。
yóu yú dǔ chē， tā chí dào le。
Due to traffic, he was late.
由于这个原因，计划改变了。
yóu yú zhè ge yuán yīn， jì huà gǎi biàn le。
For this reason, the plan changed.
5 mini stories
由于下雨，比赛取消了。
yóu yú xià yǔ， bǐ sài qǔ xiāo le。
Due to rain, the game was canceled.
由于她准备得很认真，结果很好。
yóu yú tā zhǔn bèi dé hěn rèn zhēn， jié guǒ hěn hǎo。
Because she prepared seriously, the result was good.
由于时间不够，我们先做简单的。
yóu yú shí jiān bú gòu， wǒ men xiān zuò jiǎn dān de。
Because there was not enough time, we did the simple things first.
由于路很远，大家很早出发。
yóu yú lù hěn yuǎn， dà jiā hěn zǎo chū fā。
Because the road was far, everyone left early.
由于他的帮助，事情顺利完成。
yóu yú tā de bāng zhù， shì qíng shùn lì wán chéng。
Because of his help, the task was finished smoothly.
Mini dialogue
迟到原因
A
你今天为什么迟到了？
Nǐ jīntiān wèishénme chídào le?
Why were you late today?
B
由于下雨，路上堵车了。
Yóuyú xià yǔ, lùshang dǔchē le.
Due to the rain, there was a traffic jam on the road.
取消活动
A
运动会还开吗？
Yùndònghuì hái kāi ma?
Is the sports day still on?
B
由于风太大，运动会取消了。
Yóuyú fēng tài dà, yùndònghuì qǔxiāo le.
Due to the strong wind, the sports day is cancelled.
Related words and contrasts
similar
因为
yīn wèi
because
Most common way to say 'because', used in speaking and writing.
contrast
因此
yīn cǐ
therefore; thus
Shows the result, while 由于 introduces the reason.
contrast
所以
suǒ yǐ
so; therefore
Often paired with 由于 (由于...所以...) to connect reason and result.