Correct

积弊

/ jībì /
Strokes

Definition

age-old (malpractice)/long established (corrupt practices)/deeply rooted (superstition)

Example

As a Noun

age-old/accumulated malpractice; long-standing abuse

1
积弊
nán
chú
  

It is very difficult to uproot deep-entrenched evils.

2
Qīngchú
清除
积弊

remedy/remove age-old malpractice

3
Gēnchú
根除
积弊

strike the deep-rooted evil at its source