Use that nimble brain the gods gave you.

His nimble brain quickly connected the rock to his friend's unconsciousness.

Not being a man, of nimble brain, he found this somewhat beyond his powers.

Inwardly, his nimble brain calculated probabilities and rated options.

Already his nimble brain had figured out a plan, but he was not going to admit it.

Already the nimble brain of the Master Spy was working on a plan of escape.

What had happened to his nimble brain?

But behind the screen of a faked terror, his nimble brain was working.

Many desperate thoughts were flashing through the Master Spy's nimble brain.

There seemed something about the fiery, throbbing beat that stimulated the nimble brain of G-8.