尽快过来，我有重要的事要告诉你。

Come here as soon as possible. I have something important to tell you.

youdao

我原计划去的，但有重要的事要解决。

I planned to, but I have some important business to deal with.

youdao

你现在有空吗？我有重要的事要告诉你。

Have you got time? I've got something important to tell you.

youdao

One thing that I want to mention that is really important is once you have double bonds, what happens between those two atoms in the molecule is they can no longer rotate in relation to each other.

我要提醒你们的非常重要的一点事,一旦有了双键，分子中的两个原子,就不能相对旋转了。

麻省理工公开课 - 化学原理课程节选