declare war (on sb / sth)a. to state officially that you are at war with another country〔对某国〕宣战b. informalto say that something is wrong and that you will do everything you can to stop it〔向不好的事〕宣战:•Angry residents have declared war on the owners of the factory.气愤的居民已经向工厂主宣战。 |