Correct

嘴乖

/ zuǐ guāi /
Strokes

Definition

(coll.) to speak in a clever and lovable way

Example

As an Adjective

(of children) clever and pleasant when speaking to elders

1
Zhè
háir
女孩儿
zuǐ
guāi
,
méi
rén
huan
喜欢

Everyone likes the girl because she is always sweet in her speech.