Correct

讪脸

/ shàn liǎn / 
Strokes

Definition

impudent

Example

As a Verb

(of children in the presence of adults) grin mischievously; grin and grimace (with sb)

1
Bùzhǔn
不准
zài
在
dàren
大人
miànqián
面前
shànliǎn
讪脸
  
。

Don't play the rogue before adults.