An outraged Octavian personally declared war against Cleopatra — and all of Egypt.

愤怒的屋大维亲自向克利奥帕特拉和整个埃及宣战。

A few days later, Germany and Italy declared war against the United States.

几天后，德国和意大利对美国宣战。

Within days Germany and Italy declared war against the US in support of their Japanese ally.

几天后，德国和意大利都向美国宣战，以示对盟国日本的支持。

It declared war against Japan after Japanese planes attacked the American naval base at Pearl Harbor, Hawaii.

在日军飞机袭击美国夏威夷珍珠港海军基地后，美国向日本宣战。

He imprisons his sidekick captain Dorder who escapes and convinces the Russian Czar to declare war against Ubu.

他囚禁了他的死党博杜 但是博杜逃走了并说服沙皇向乌布宣战。

While I was thus busied, I mentally declared war against Northmour and his mystery.

当我如此忙碌的时候， 我在心里向诺斯莫和他的秘密宣战。

It was now just Antony and Cleopatra together, and in 32 BC Octavian declared war against Cleopatra.

现在只有安东尼和克利奥帕特拉在一起， 公元前 32 年， 屋大维向克利奥帕特拉宣战。

Caesar paused a moment on the bank. He knew that to cross it would be to declare war against Pompey and the Roman Senate.

Caesar 在河岸上停了一会儿。他知道过这条河就要向 Pompey 和罗马议会宣战。

Luckily, the tactical virtuosity of the Germans and Japanese was more than matched by their strategic incompetence in declaring war against Russia and America.

所幸，德日两国的战略水平远低于其战术素养，对美苏宣战在战略上筑成了大错。

Obviously this power should exist only at the national level, because it doesn't make sense for one or two states to declare war against another country.

很明显这项权力只应归国家所有，因为一两个州对另一个国家宣战是讲不通的。

If the war were to go well for the French, they  would appreciate their king; if it were to go badly, a foreign power would help him escape. In  April 1792, France declared war against Austria.

如果战争对法国人来说顺利， 他们会感谢他们的国王；要是不顺，有外来势力帮他逃走。 1792 年 4 月， 法国向奥地利宣战。