绵里藏针 (綿裡藏針) mián lǐ cáng zhēn

mián lǐ cáng zhēn set phrase a needle concealed in silk floss; ruthless character behind a gentle appearance; a wolf in sheep's clothing
Domain: Idiom 成语 , Subdomain: , Concept:
Notes: (CC-CEDICT '綿裡藏針')