I have something important to tell you.

我有重要的事情要告诉你。

《牛津词典》

I have an important announcement to make.

我要宣布一件重要的事情。

《牛津词典》

This isn't very important—I don't want to make an issue of it.

这不太重要—我不想把它当回事儿。

《牛津词典》

"I think the most important thing now is the follow-up. The follow-up here is that we want to insure the non-reoccurrence of such massacres against the Palestinian people,".

VOA: standard.2009.10.16

That's a fairly common-sense idea, but it's important to define it, and I call that the common-sense law.

十分常识性的概念，但定义它非常重要，所以我叫它“常识定律“

麻省理工公开课 - 热力学与动力学课程节选

There's a term--I should write some of my terms down-- a very important term in finance and that's "dilution."

有一个词,我把它写下来,金融学中非常重要的词,叫"摊薄"

耶鲁公开课 - 金融市场课程节选

It is an unusual -- and I think unusually important -- day today.

CNN: Transcript: Clinton speaks to prayer breakfast

And it is an important -- as I said earlier -- a very important relationship that we have, and he looks forward to it.

WHITEHOUSE: Press Briefing on Afghanistan-Pakistan Annual Review

And I heard a lot of apologists for Mr. Jackson saying some things that I think we can -- the sheriff and I -- can talk about that I think are important for you, as the media, and for the public, who is going to hear these things, to be told.

CNN: D.A., sheriff discuss Jackson allegations