공격에

공격에

"공격에" means "to the attack" or "on the attack" in English.

In this sentence, '공격에' is used to indicate the focus of preparation, specifically the 'attack' that they are guarding against.

그들은 공격에 대비하며 방어를 강화했다.

They strengthened their defense in preparation for the attack.

Here, '공격에' is utilized to show involvement or participation in an 'attack'.

공격에 동참하기로 결정한 그는 큰 용기를 보였다.

He showed great courage by deciding to participate in the attack.

In this case, '공격에' links the action of being undermined to the cause, which is the 'attack.'

그 전술은 적의 공격에 의해서 무너졌다.

That strategy was undermined due to the enemy's attack.