jolly

She's a very jolly, upbeat sort of a person.

她是个非常乐观向上的人。

We spent a very jolly evening together, chatting and reminiscing.

我们一起聊天话旧，度过了一个惬意的晚上。

I love the bright yellow you've painted the children's room - it makes it look really jolly.

我喜欢你给孩子的房间涂刷的明黄色——这使它看上去十分明亮悦目。