那是英国对德国宣战的那一年。

It was the year Britain declared war on Germany.

《牛津词典》

如果我们对气候变化宣战，那么我们做得到。

If we declare war on climate change, then yes we can do it.

youdao

另一个海盗已经绝妙地概括了2009年对海盗宣战这一事件，他生活并死于公元前4世纪。

The story of the 2009 war on piracy was best summarised by another pirate, who lived and died in the fourth century BC.

youdao