save somebody the trouble

Why don't they just give up now and save us the trouble?

You might as well come across now and save trouble.

I thought it would save you the trouble to think.

Maybe somebody else would stop, and save me the trouble.

In the short run it would save so much trouble.

It worked well enough to save trouble with people who did not know we were coming.

It will save time and trouble to talk right now.

Go to them, and save yourself the trouble of trying to follow me.

But he might as well have saved himself the trouble.

So save yourself the trouble of telling us to leave.