yuán
yīn
1
cause
2
origin
3
root cause
4
reason
我们会检讨这次失败的原因
We will review the cause of this failure.
你知道他放弃的原因是什么吗?
Do you know what caused him to give up?
我决定搬去台湾了我想住在台湾的原因是因为在台湾创业比在中国容易
I decided to move to Taiwan. The reason why I want to live in Taiwan is because that it is easier to start a business in Taiwan than in China.
我选择他的最大原因是因为他很善良。
The biggest reason I chose him is because he is very kind.