Correct

黑道

/ hēidào / 
Strokes

Definition

dark road/criminal ways/the underworld/see also 白道[bái dào]

Example

As a Noun

unlighted road (at night)

1
Yèjiān
夜间
yī
一
gè
个
rén
人
biè
别
zǒu
走
hēidào
黑道
  
。

Don't walk alone on a dark road at night.

As a Noun

illegal activity

2
Hēidào
黑道
jiāoyì
交易

shady trade/deal

As a Noun

dark society; underworld; banditry

3
Hēidào
黑道
rénwù
人物

underworld figure; gangster