We shall fight back if enemies attack.

要是敌人进攻，我们就反击。

youdao

Their duty is to defend their country against both domestic and foreign enemies' attack.

他们的职责是保卫国家不受国内外敌人的侵害。

youdao

As it is, if I want my scouts to attack only Ion Frigates, I might have to select a very large group of mixed enemies or attack one frigate at a time.

CNN: Homeworld brings epic feel to real-time strategy

Gameplay and lore segregation wise, it is better to avoid attack of enemies that witchers usually come up with.

FORBES: How To Create Your Own 'Witcher 2' Adventure With REDKit

As Baroness Thatcher, she continued to attack old enemies for a while, such as the European Union, and to exert a sometimes-divisive influence within the Conservative Party.

WSJ: Former British Prime Minister Margaret Thatcher Dies