the ever-present threat of nuclear war 核战争的长期威胁

They have been at war for five years. 他们已经交战五年了。

Let's hope they can find a solution without going to war. 我们希望他们能找到解决的办法而不诉诸战争。

I volunteered for the Navy when war broke out. 战争爆发后，我自愿参加了海军。

When Poland was invaded, the Allies had no choice but to declare war. 波兰被入侵后，同盟国别无选择只得宣战。

We will continue to wage war on organized crime. 我们将继续同有组织的犯罪活动作斗争。

the war for supremacy in the fast-food industry 快餐业的霸权之争

You know this means war! 你知道这意味着论战。