I want to close faster, before he can build it much.

She closed the door fast so his wet air wouldn't get out.

We've only got about four hundred feet to play with, and it's closing fast.

There are five ships right behind us and closing fast.

You have opened a door to the Dark, and all will be lost if that is not again closed fast.

She wasn't yet fifty, but was closing in on it fast.

And indeed the front edge of the slide was closing fast.

A glance behind him showed that the thing was closing fast.

With the shutters all closed fast the house was almost too dark for even my eyes to see.

By this time the cop was no more than ten feet away and closing fast.