Correct

黑窝

/ hēi wō / 
Strokes

Example

As a Noun

nest of illegal activities; lair of gangsters or criminals

1
Jǐngchá
警察
zài
在
dàozéi
盗贼
de
的
hēiwō
黑窝
lǐ
里
zhǎodào
找到
liǎo
了
zāngwù
赃物
  
。

The police discovered the booty in the thieves'den.

2
Duān
端
  
/
tāo
掏
hēi
黑
wō
窝

raid a gangsters'den