Correct

主次

/ zhǔcì / 
Strokes

Definition

the important and the less important/primary and secondary

Example

As an Adjective

primary and secondary; major and minor

1
Zhǔcì
主次
bù
不
fēn
分

confuse the primary with the secondary; make no difference between what is important and what is not

2
Fēnqīng
分清
zhǔcì
主次

distinguish between the primary and the secondary; know what is important and what is not