油头滑脸 (油頭滑臉) yóu tóu huá liǎn

yóu tóu huá liǎn set phrase oily head and smooth face; crafty and careless
Domain: Idiom 成语 , Subdomain: , Concept:
Notes: A variant of 油头滑脑 (Guoyu '油頭滑臉')