The decision will inevitably cut both ways.

这个决定不可避免的产生两种结果。

I wouldn't accept your help now, but remember it cut both ways - I won't help you again.

我现在不想接受你的帮助了，但记住，这也就是说，我也不会再帮你了。

What's clear from this final quote is that the benefits of this new service cut both ways.

在最后这段引言中，我们可以清楚的了解到，这项新服务能使双方均有受益。

But instruments can cut both ways. Lakshmi Iyer of Harvard has used the technique to reveal some unhappy consequences of the Raj that might have made Mr Singh's Oxford audience squirm.

不过工具也能起到了双刃剑的作用，哈佛的拉克希米·伊勒(Lakshmi Iyer)便利用了工具的这类作用技术的揭示了一些在大英帝国殖民统治下的不愉快后果，辛格的牛津听众们可能会因这些后果而骚动。

He told me that the strategy of finding ways and means to cut cost is a double-edged sword; it cuts both ways.

他告诉我，设法削减成本的策略是一把双刃剑，正反效果都有可能会有。