gone to war

• v. 开始作战(参军)

gone to war的用法和样例：

例句

1. In1914 Great Britain went to war, and the men who came back from the war found quite quickly exactly the opposite of a land fit for heroes.
   1914年英国参战了，那些从战场上回来的英雄们很快就发现英国并不是一个可以安居乐业的地方。
2. The country is making preparations for war/to go to war.
   该国正进行备战[准备打仗]。