1 cause

2 origin

3 root cause

4 reason

5 classifier: 个 gè

1 old variant of 因[yīn]

1 because

2 owing to

3 on account of

1 basic

2 fundamental

3 main

4 elementary

1 factor

2 (genetic) trait

3 (math.) factor

4 divisor

1 mutually related karma (idiom); fates are intertwined

2 interdependent

1 cause and effects (idiom); entire process of development

1 to get things done relying on others (idiom); with a little help from his friends

1 varying from person to person (idiom); different for each individual

1 to die as in the line of duty (idiom)