I call on Members to back up their words with action.

But it is not ready to back up its words with action.

And I knew he was someone who would back up his words with actions.

John would have to help me to back up the computer data with some experimental work.

The Commission must therefore back up its words with action.

If those words aren't enough, we have backed them up with very clear action.

The Government needs to back up its words with action.

And the bankers were always ready to back up the ideas with money.

Washington must also back up its advice with human rights conditions on American aid.

Negotiations don't work unless you can back them up with a significant club.