He went to the extreme of killing his enemy.

他居然采取了杀死敌人的极端手段。

youdao

Panzer Elite infantry can be ordered to plant deadly booby traps inside any building on the map. Enemy infantry entering the building will suffer extreme consequences.

装甲精英的步兵将能执行在地图上任何建筑内部放置致命的伪雷的命令。进入该建筑的敌人步兵将承受严重损失。

youdao

I consider fresh air an enemy and closed with extreme care every crack and crevice in the room Iinhabited.

我曾经认为新风是我们的敌人，为此将房间的所有空隙封住。

youdao

Some of the conditions that turn people into killers are well known: extreme coercion, obedience to authority, dehumanisation of the enemy, social bonding, hatred, indoctrination, revenge, survival.

ECONOMIST: Civilians in war