I declare myself against the project.

我对这项计划表示反对。

youdao

My businesswas to declare myself a scoundrel, and whether I did it with a bow or abluster was of little importance.

我这事等于宣布我自己是个恶棍，至于做起来是点头哈腰还是吹胡子瞪眼，那是无关紧要的。

youdao

I declare myself for the suggestion.

我赞同这个建议。

youdao

Now because among its contents is the prototype for print F, that is why, very simply, I can call print F without having to declare its prototype myself.

现在因为在它的内容中是printf的原型，这就是为什么我可以不声明printf函数的原型,而可以调用它。

哈佛公开课 - 计算机科学课程节选

Because of that, now there's a lot of backlash and there are people who are starting to say, well, I might have to just declare myself black just so that I can get a space on some of these reserve spots for those universities that are beginning to institute the quota system.

NPR: Afro-Brazilian, African-American Ties