綿裡藏針 [ㄇㄧㄢˊ ㄌㄧˇ ㄘㄤˊ ㄓㄣ; mian2 li3 cang2 zhen1] 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 ◄ ►
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