to bring down (an animal, opponent, etc.); to kill; to shoot dead; to shoot down
猟師は素早く獲物を仕留めた。
The hunter quickly brought down the prey.
相手を仕留めるまで諦めなかった。
He didn't give up until he had finished off his opponent.
鷹が空から急降下して獲物を仕留めている。
The hawk dives from the sky and takes down its prey.