Correct

黑灯瞎火

/ hēi dēng xiā huǒ / 
Strokes

Definition

pitch dark

Example

As an Adjective

dark; unlighted

1
Diàn
电
tíng
停
le
了
  
,
hēidēngxiāhuǒ
黑灯瞎火
de
的
  
,
hái
还
néng
能
kàn
看
shénme
什么
shū
书
  
!

Now power is cut! How can we read in this complete darkness?