Correct

说长道短

/ shuō cháng dào duǎn / 
Strokes

Definition

lit. to discuss sb's merits and demerits (idiom); to gossip

Example

Definition

gossip (about); make captious comments

1
Tā
她
xǐhuan
喜欢
duì
对
línjū
邻居
shuōchángdàoduǎn
说长道短
  
。

She loves to gossip about her neighbours.

2
Duì
对
biéren
别人
de
的
sīshì
私事
shuōchángdàoduǎn
说长道短

gossip about others'personal affairs