Correct

几经

/ jǐjīng /
Strokes

Definition

to go through numerous (setbacks, revisions etc)

Example

As an Adverb

several times; again and again; time and again

1
Zhège
这个
wèn
问题
jīng
jiāoshè
交涉
cái
dào
得到
jiějué
解决
  

The problem was not solved until after repeated negotiations.

2
Shì
事业
jīng
几经
起伏

have a chequered career

3
jīng
zhé
波折

after a lot of twists and turns