当我和朋友们出去玩，一起做些什么时，我感到很开心。

I feel happy when I hang out with my friends and do something together.

youdao

在乡下转转我感到很开心。

I've really enjoyed spending some time in the country.

youdao

我帮她找到了她的父亲。这事让我感到很开心。

I helped him find his father. That made me feel very happy.

youdao