Oh yes, Heidi, I am glad, because you are happy.

哦，是的，海蒂，我很高兴，因为你很高兴。

youdao

Her wicked heart was glad, and as happy as such a heart could be.

她那颗邪恶的心就高兴起来了，感到非常快乐。

youdao

If everyone in your family takes care of the baby, your mom will be very glad to have such a happy family.

如果你家里的每个人都照顾婴儿，你的妈妈会很高兴有这样一个幸福的家庭。

youdao

He said he would be glad to let her give the two thousand dollars to Mister Wilkinson, so that she could be happy.

VOA: special.2010.04.24

I'm glad is a pattern that you want to use in a sentence to describe when you're feeling happy.

当你感觉高兴的时候，你可以用“I'm glad”句型来形容你的感受。

I'm glad 课堂 - SpeakingMax英语口语达人

Ms. SYLVESTER: Uhm, I wouldn't say a hundred percent happy, but I am glad it's gone.

NPR: Philadelphia's Gum Tree Cut Down

The festival even has its own salutation: Glad midsommar (Happy Midsummer).

BBC: Here comes the sun in Sweden

Mr. ALBARN: (Singing) I ain't happy, I'm feeling glad.

NPR: Albarn's The Good, The Bad, and The Queen