1. During World War II, the Nazi army aggressed upon many countries.
    在第二次世界大战期间，纳粹军队侵略了很多国家。

1. 进攻：regenerate 再生,重生 | aggress 进攻 | aggressive 积极,好斗的

2. 攻击：aggregative 集团的 | aggress 攻击 | aggression 进攻

3. 攻击、侵略：progress 进步、进行 | aggress 攻击、侵略 | aggressive 攻击性的、侵略性的

4. 侵略：segregate 隔离 | aggress 侵略 | egress 出口

1. take the initiative and go on the offensive

    e.g. The Serbs attacked the village at night
           The visiting team started to attack

    Synonym: attack