double-edged weapon
double-edged sword

They'd find themselves with a double-edged sword in their hands.

At the same this is something of a double-edged sword.

As for the fans, their attention could be a double-edged sword.

The business end of baseball can be a double-edged sword.

Like so much on this island, they were a double-edged sword.

When it comes to information access, the Internet is a double-edged sword.

That gets me thinking about travel as a double-edged sword.

If you ask for anything He will give a gift which is like a double-edged sword.

They run a property company together and that has been a double-edged sword.

But the stress response is a double-edged sword, the scientists said.