Correct

嘴快

/ zuǐkuài /
Strokes

Definition

to have loose lips

Example

As an Adjective

loose-tongued

1
Zhè
niang
姑娘
zuǐkuài
嘴快
  
,
shénme
什么
huà
zàng
zhù
  

This girl has a loose tongue and can't keep anything to herself.