firmness cloaked beneath gentleness;an iron hand in a velvet glove ❍ 这个人～，不好对付。This man has an iron hand in a velvet glove and is not easy to deal with.
柔中有刚
firm but gentle
柔中有刚
iron fist in a velvet glove;gentle but firm;firmness cloaked beneath gentleness
柔中有刚róu zhōnɡ yǒu ɡānɡ
形容温柔之中有刚强。firm but gentle, an iron hand in a velvet glove, firmness cloaked beneath gentleness