Correct

余孽

/ yúniè / 
Strokes

Definition

remaining evil element/surviving members (of evil former regime)/dregs (of colonial administration)

Example

As a Noun

remaining evildoers; remaining evil elements; surviving supporters of an evil cause

1
Fēngjiàn
封建
yúniè
余孽

dregs of feudalism

2
Cánzhāyúniè
残渣余孽

dregs of the old society; old diehards

3
Chǎnchú
铲除
yúniè
余孽

wipe out the dregs (of)