绵里藏针的意思：
绵：丝绵。丝绵里面藏着针。形容柔中有刚。也比喻外貌和善，内心刻毒。
英文解释
a needle hidden in silk floss -- a ruthless character behind a gentle appearance;a needle in wool -- a soft appearance but a dangerous [a bard] heart;an iron hand in a velvet glove;the gentle rigidity of a needle wrapped in cotton wool ;
出 处 元·石君宝《曲江柳》第二折：“笑里刀剐皮割肉，绵里针剔髓挑筋。” 清·西周生《醒世姻缘传》：“当日说知心，绵里藏针。”
辨 误 “绵”不能写成“棉”。
事 例王朔《玩儿的就是心跳》：“好好我认真，我是绵里藏针，肚里容珠。”
用 法 作谓语、定语、状语;指人心很刻毒。
近义词：不露锋芒、笑里藏刀、外柔内刚、刚柔相济，口蜜腹剑
反义词：色厉内荏、心慈面软
注意：中性词
造句：他的字外表似乎很软，骨干却很硬朗，真是绵里藏针。
中英例句
虽然奥巴马和罗姆尼周四都讲了一些绵里藏针的笑话，但最后两人都相互恭维，称赞对方的家人。
While both the president and mr. romney managed to land a few joking jabs thursday, both closed with complimentary remarks about the other, as each praised his opponent's family.