At the moment, he didn't have time to think fast.

He had to force his brain into thinking fast once more.

However, the team was close to winning and David had to think of something fast.

He gave me desire and an ability to think fast.

That was a good plan, in the beginning, but their general thinks fast.

He must think fast, and find a way to rescue his old friend.

Tom thought fast, trying not to let his own rage get the better of him.

With no break time left, Janet had to think fast.

Half the room turned to look, and Rod thought fast to cover.

I'm trying to think fast, to come up with solutions for him.