mián lǐ cáng zhēn
lit. a needle concealed in silk floss (idiom); fig. ruthless character behind a gentle appearance
a wolf in sheep's clothing
an iron fist in a velvet glove
mián lǐ cáng zhēn
lit. a needle concealed in silk floss (idiom)
fig. ruthless character behind a gentle appearance
a wolf in sheep's clothing
an iron fist in a velvet glove