有开心驾驭，生活就美好。

Joy reigns. And life is good.

youdao

有那么一刻我是开心的。

For a moment I was happy.

youdao

我记得米基是个非常有趣的人，有他在身边很开心。

I remember Mickey as a bundle of fun, great to have around.

《柯林斯英汉双解大词典》

So, you have two sorts of smiles: A real happiness smile a Duchenne smile--called--also known as the Duchenne smile, and then a Pan Am smile, or greeting smile.

所以，有两种微笑：,真正开心的微笑,杜乡式微笑，泛美式微笑，或问候式微笑。

耶鲁公开课 - 心理学导论课程节选

make me feel happy and satisfied artistically, then that's ok with me too.

和能让我开心、让我有艺术满足感的人一起工作，那样对我来说也很好。

关于纽约的生活 - SpeakingMax英语口语达人

And it turns out that there's a correlation, a reliable relationship between how happy somebody is now and back thirty years ago in their yearbook photo-- what sort of smile they're giving.

事实证明有相关性，可靠的关系,现在很开心的关系，30年后也是,在他们的年鉴照片里-,他们给出的微笑类型。

耶鲁公开课 - 心理学导论课程节选