I'm sure it'll be a great event.

我肯定这将是个重大的事件- and great for China。

youdao

I think the marathon will be a great event.

我想马拉松比赛将会是个令人瞩目的大事件。

youdao

The discovery of American was a great event.

发现美洲是一件大事。

youdao

The expression fireworks gets its meaning from the fireworks that people shoot into the sky when they are celebrating a great event.

VOA: special.2010.07.04

or if you're feeling like a big event has happened. Or if you're feeling that they look really great.

或者你觉得对方发生了什么大事，或者是你觉得他们看起来棒极了。

You look 课堂 - SpeakingMax英语口语达人

The expression "fireworks" gets its meaning from the fireworks that people shoot into the sky when they are celebrating a great event.

VOA: special.2009.07.05

It was a great event and it was wonderful to have Barack and Michelle there.

WHITEHOUSE: President Obama & Prime Minister Cameron Joint Press Availability | The White House

At this opportune moment of everyone thinking about a great event of the past, what about the future?

BBC: News Online

There is nothing I enjoy more about what I do than being a guest speaker at a great event.

FORBES: Note To Social Entrepreneurs: How Can I Help?