The Beginning
1、双刃剑 Double-edged sword。
2、Its a double-edged sword.它(这种技术)实际上是一把双刃剑。
3、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
4、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。
THE END
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