Correct

藏污纳垢

/ zàng wū nà gòu /
Strokes

Definition

to hide dirt, to conceal corruption (idiom); to shelter evil people and accept wrongdoing/aiding and abetting wicked deeds

Example

Definition

store dirt and accept filth—shelter evil people and countenance evil practices

1
Zànggòu
藏污纳垢
zhī

place where the scum of the society assembles; sink/den of iniquity