This is the 5686th most frequent Korean word.
방어하기
"Defending" or "to defend."
The word '방어하기' here pertains to the action of defending oneself, showing personal defense.
나는 자신을 방어하기 위해 노력했다.
I tried to defend myself.
Here, '방어하기' is abstract, representing the defense of an argument or position on a matter of discussion.
이 이론은 환경 오염 문제에 대해 방어하기 어려운 입장이다.
This theory is difficult to defend concerning environmental pollution issues.
'방어하기' in this sentence is used in the context of defending a specific target, such as the goal in a game.