0 armed fighting between two or more countries or groups, or a particular example of this -- （國家或群體之間的）戰爭
nuclear war 核戰爭
If this country goes to (= starts to fight in a) war we will have to face the fact that many people will die. 如果這個國家參戰，我們將不得不面對很多人都要送命的現實。
Britain and France declared war on Germany in 1939 as a result of the invasion of Poland. 因為德國入侵波蘭，所以英國和法國於1939年對德宣戰。
War broke out between the two countries after a border dispute. 邊界糾紛導致兩國之間爆發了戰爭。
They've been at war for the last five years. 過去五年他們一直在交戰。
He died in the First World War/the Vietnam war. 他在第一次世界大戰／越南戰爭中喪生。
The past few months have witnessed a price war between leading supermarkets. 最近幾個月幾家主要的超市之間爆發了一場價格戰。
The president vowed to wage war on/against terrorism. 總統發誓要打擊恐怖主義。
the war on drugs 打擊毒品的戰鬥
The prime minister is to meet his European counterparts to discuss the war against drugs.
There is likely to be civil war if the region tries to secede from the south.
The number of casualties was appallingly high in both wars.
