mián​lǐ​zhēn

needle in cotton wool

绵里针 綿裡針 mián​lǐ​zhēn
needle in cotton wool
(metaphor) an iron fist in a velvet glove; internal strength or firmness hidden behind a gentle appearance; cruelty or a sharp sting hidden behind a friendly appearance; a wolf in sheep's clothing

Cross-References

Variant of