Correct

发牢骚

/ fāláosāo /
Strokes

Definition

to whine/to be grouchy

Example

As a Verb

air/vent one's grievances; complain (about); blow off steam; give vent to one's complaints; grumble (about/at/over sth); grouse (about)

1
jīng
已经
gěi
men
他们
zhǎng
le
10  
10%
de
gōng
工资
  
,
men
他们
háiyǒu
还有
shénme
什么
láosāo
牢骚
  
?

They've already been given a 10 per cent rise, why are they still complaining?

2
lǎo
láosāo
发牢骚
  
,
zhēn
ràng
rén
shòuliǎo
受不了
  

Your constant whining is driving me crazy.

3
láosāo
发牢骚

pour out one's grievances

Related

发牢骚