虽然我还在坐飞机，但我真的觉得很开心。

On the airplane, though, I was really sweaty.

youdao

此后，有一个星期，他们约定每天8点来聊天，刘冰觉得很开心。

After that, they promised to come to chat at 8 every day and it lasted for a week. Liu felt very happy.

youdao

上海女性对自己的感情生活最满意，70%以上的人觉得很开心。

Women in Shanghai seemed to have the most fulfilling love lives, with more than 70 percent saying they felt happy.

youdao

You can communicate like good feeling with them with "I'm glad". So I recommend that you use it a lot.

你可以用“I'm glad”跟他们交流，表示你觉得和他们一起很开心。因此你可以多多使用这个句型。

I'm glad 课堂 - SpeakingMax英语口语达人