原因

zhè cì chōng tū yǒu zhe fēi tóng xún cháng de yuán yīn

这次冲突有着非同寻常的原因。

This collision had a very unusual cause.

hěn nán jiě shì qīng chu shén me yuán yīn shǐ tā rú cǐ zǒu hóng

很难解释清楚什么原因使他如此走红。

It is difficult to define what makes him so popular.

huǒ zāi de yuán yīn shàng bù qīng chu

火灾的原因尚不清楚。

The cause of the fire is not yet known.

shēng bìng de yuán yīn

生病的原因

the cause of an illness

shī bài yuán yīn

失败原因

reason for a failure

fēng shōu yuán yīn

丰收原因

reason for a bumper harvest

méi yǒu yuán yīn

没有原因

for no reason

yuán yīn yù jié guǒ

原因与结果

cause and effect

chá míng yuán yīn

查明原因

ascertain the reason

shī bài yuán yīn

失败原因

he reasons of failure

gǎo qīng yuán yīn

搞清原因

clear up the cause

xīn lǐ yuán yīn

心理原因

psychic cause