汀臭崽儿
双刃剑:double-edged sword在现在和我们过去的生活中，它都是一柄双刃剑，会使人越来越窒息、也会使人由空虚变得有信仰。 It's potential for good or evil, now and in the years of our lives, smothers exaltations and converts vanity to prayer
燕然铭石
双刃剑 Double-edged swordIt's a double-edged sword.它(这种技术)实际上是一把双刃剑。 At the very start, athletic sport is a double blade sword.竞技体育从一开始，就是一把双刃剑A metaphor used to refer to something that has both advantages and disadvantages, and positive and negative effects. 报复本身就是一把双刃剑, 你放过他吧。
老李重庆
双刃剑 Double-edge swordThe term double-edged sword can be used as an expression for anything that can simultaneously help and hinder.....................................
