two-edged sword双刃剑
two-edged opinion二重性
two-edged effect双刃效应
two-edged knife双面刀
two-edged actions双刃作用
two-edged compliment模棱两可的恭维话
two-edged sword figurative是一把双刃剑
two-edged sword effect双锋利剑效应
a two-edged sword一把双刃剑;双刃剑
ADJ（形容词） having two cutting edges 双刃的