Correct

嘴刁

/ zuǐ diāo / 
Strokes

Example

As an Adjective

particular/fussy/choosy/picky about one's food

1
Tā
她
cóngxiǎo
从小
jiù
就
zuǐ
嘴
diāo
刁
  
,
zǒngshì
总是
zhè
这
bù
不
chī
吃
nā
那
bù
不
chī
吃
de
的
  
。

She's been picky about her food since her childhood, rejecting many sorts of food.

As an Adjective

artful/cunning in speech

2
Zhè
这
xiǎoguǐ
小鬼
zuǐ
嘴
diāo
刁
  
,
chàdiǎnr  
差点儿
bèi
被
tā
她
piàn
骗
le
了
  
。

What a cunning elf she is! I almost believed her.