This is a challenge that several men of science have taken up.

With knowledge of the enemy's plans, his men took up arms and fought.

I need you and your men to take up a position away from the battle, on the right.

The two men got out and took up positions from where they could watch the front door.

The men of the town took up arms and drove them away.

The little old man took up a candle and went to open the door.

And any man who would settle it by might of arms, let him take up his cause against me.

When a man takes up guns in fighting, somebody is going to get hurt.

One opened the door and led the way, while the other man took up the rear.

Slowly he moved back to the reading table, and the two men took up seats across from one another.