嘻皮笑脸 (嘻皮笑臉) xī pí xiào liǎn

xī pí xiào liǎn set phrase laughing mischievously
Domain: Idiom 成语 , Subdomain: , Concept:
Notes: A variant of 嬉皮笑脸 (Guoyu '嘻皮笑臉')