Correct

起因

/ qǐyīn /
Strokes

Definition

cause/a factor (leading to an effect)

Example

As a Noun

cause; origin

1
Zhè
cháng
huǒzāi
火灾
yīn
起因
可疑
  

The fire is of suspicious origin.

2
men
他们
zhèngzài
正在
zhuījiū
追究
kōngnàn
空难
de
yīn
起因
  

They were tracing the cause of the air crash.

3
Shì
事故
de
yīn
起因
zhèngzài
正在
diàochá
调查
zhīzhōng
之中
  

The cause of the accident is under investigation.

4
Huǒzāi
火灾
de
yīn
起因
míng
不明
  

The fire was of undetermined/unknown origin.

5
yīn
起因
可疑

be of doubtful origin

6
Zhuījiū
追究
yīn
起因

trace the cause (of)

7
Quèdìng
确定
yīn
起因

determine the cause (of)

8
Diàochá
调查
zhǔyào
主要
yīn
起因

investigate the chief cause (of)

As a Verb

originate in; be caused by

9
Shìjiàn
事件
yīn
起因
zhuāng
xiǎoshì
小事
  

The incident originated in a trifle.