I declared war against bad habits.

我与坏习惯作斗争。

youdao

I declared war against the bad habits.

我决心与坏习惯作斗争。

youdao

Russia thereupon declared war against Turkey.

俄国于是向土耳其宣战。

youdao

He declared that the U.S. is not at war with Islam, but is against violent extremists who exploit the tensions between Islam and the West.

VOA: standard.2010.03.18

Mrs Arroyo recently broke off talks with its leaders, and declared war against them.

ECONOMIST: Another dissident is murdered. Is the government to blame?

On the contrary, the mean greens have declared war against natural gas.

FORBES: A "Mean Green", Obama Wages War Against Cheap Energy

LONDON, England (CNN) -- Almost 18 months after Creative first declared a marketing war against rival Apple, the company has launched a product to compete directly with the iPod video.

CNN: Creative bites into the video Apple