重要 in English:

It's not important.

Each time I see Mary, I learn something new and important from her.

If my wife calls, just tell her I'm in an important meeting and cannot be disturbed.

I wish I could care more about my grades but it seems that, at a certain point of my life, I decided they wouldn't be so important anymore.

You should write down whatever seems to be important.

Winning the competition is important. However, fair play is more important. You need to understand that winning is not the most important thing.

There were many things that I thought were important at that time that I no longer believe are important.

The important point to note is that both parties offered similar solutions to this problem.

Getting your message across is much more important than trying to say it exactly like a native speaker would say it.

In general, communication between doctors and their patients is the most important part of medical treatment.

The more countries a language is spoken in, the less important it is to sound like a native speaker, since speakers of that language are accustomed to hearing various dialects.

Franklin Roosevelt was born to a rich and important New York family.

That report was important because it pointed out all the errors the committee had made.

I discovered too late that I left out the most important part of my speech.

A few important facts emerged after the investigation.