Although the hour is late, we still have a trump card to play.

But she decided not to use it as a trump card.

Time to play his last trump card, and hope it was good enough.

I decided that the time had come for me to play my trump card.

With the way he'd designed the campaign, he still had a lot of trump cards.

We've got a chance now and we're holding the trump card.

As her trump card, she had brought people taken from the great nations of the council itself.

At the moment, the union is playing what could prove to be its trump card.

But now, the community school board is pulling a trump card.

For that purpose, we hold trump cards which others do not.