an act of war
戰爭行為，指敵對行動或具有敵對性的行為
正式·政治或軍事用語
英文釋義
an aggressive action, typically involving physical force, that is considered a provocation or cause for conflict
例句
The bombing of the embassy was considered an act of war by the international community.
典故來源
直接源于軍事和政治領域，指一國對另一國采取的侵略性行動，足以引發武裝沖突。