double-edged sword

基本解释

I would also ban the use of statistics because unless you know statistics very, very well, it’s a dangerous, double-edged sword.
我也会禁止统计学方法的使用，因为除非你能对统计学了解得十分、十分透彻，它就是有害的，是一把双刃剑。
Unfortunately its failure model is a double-edged sword. Instead of throwing application-crashing exceptions, binding errors are quietly written to the trace listener.
然而遗憾的是，其失败模型是把双刃剑，它并不会抛出应用崩溃异常，而是将绑定错误直接写到追踪监听器当中。
But consumption, for people of faith, is a double-edged sword.
但对自由市场的信仰者而言，消费是把双刃剑。

So control of these international highways brought a great deal of wealth to the area, but the central location was a double-edged sword, because in times of peace it would bring prosperity, but, of course, in times of war the land was perpetually invaded as armies would crisscross the land going off to do battle with the great powers.
对这些国际要道的控制,给这个地区带来了大量的财富，但这处于中心的地理位置也如同一把双刃剑，因为在和平时期它带来繁荣，但，在战乱时期，这块土地常常被侵略,当军队在此刀刃相交,或者经过与强国征战。
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