You've got to be quick in case they go mobile.

You've got to be quick on your feet in this world if you want to survive.

Our camp was quick in its action as it prepared to move out.

If only you were as quick with your answers in class.

Which I still think was quite quick in the circumstances.

He was described to be quick in his reactions, getting work done quickly.

She was not quick in the bathroom, but what could you ask of such a woman?

Being quick in transition between events is also key, as lost seconds here will be hard to make up later.

Again, thank you for being so quick in your action on this issue.

He was rather a small man, but well made, and quick in all his motions.