Correct

绕嘴

/ ràozuǐ / 
Strokes

Definition

hard to get one's mouth around/a tongue-twister

Example

As an Adjective

tongue-twisting; hard to articulate

1
Zhè
这
gōu
句
huà
话
zhēn
真
ràozuǐ
绕嘴
  
!

What a mouthful!

2
Hěn
很
ràozuǐ
绕嘴
de
的
suōxiěcí
缩写词
  
/
míngzi
名字

a tongue-twisting acronym/name