The enemy aircraft invaded our airspace.

We are ready to invade enemy territory.

We are conducting training to devise strategies against hypothetical enemies.

The enemy general is approaching our camp.

Enemy troops are approaching our position.

He experienced his first encounter with the enemy on the battlefield.

He encountered the enemy on the battlefield.

He took up the holy sword and fought against the forces of darkness.

The Grasscutting Longsword is one of the sacred treasures that appear in Japanese mythology.

Mr. Kenmei is my best friend.