Correct

前前后后

/ qián qiánhòu hòu /
Strokes

Example

As a Noun

whole story; ins and outs

1
gěi
jiǎng
liǎo
shìqíng
事情
de
qiánqiánhòuhòu
前前后后
  

She told me the whole story.

2
Shìqing
事情
de
qiánqiánhòuhòu
前前后后

ins and outs of a matter

As a Noun

period from beginning to end

3
de
ànzi
案子
qiánqiánhòuhòu
前前后后
tuō
le
nián
cái
jiéàn
结案
  

It took five long years to get his case settled.