看，一些孩子在草地上玩，他们多开心呀。

Look, some children are playing games on the grass. How happy they are!

youdao

你想不到看到他们都走掉我有多开心。

You can't think how glad I was to see them all go.

《柯林斯英汉双解大词典》

你能想象在生日、母亲节、父亲节等特殊的日子里给你的爱人亲手制作甜点，他们会有多开心吗？

Can you imagine how happy your beloved one will be when you give him/her your DIY desserts on the special days like birthday, Mother's Day and Father's Day?

youdao

他们玩得多开心啊！

What a time they're having!

youdao

他们玩得多开心啊！

What a great time they are having!

youdao

他们玩的多开心啊！

They play more happy!

youdao

还有好地方呢，每当夏天到来的时候，我们就到人工沙滩上去玩耍，你看，他们玩得多开心啊！

One more place should be mentioned here, the sandy beach! It is a wonderful place for the residents in summer! Look! How happy they are!

youdao

他们在购物中心互相见面多开心啊！

How happy they are when they meet each other in the shopping mall.

youdao

他们在购物中心互相见面多开心啊！

How happy they are when they meet each other in the shopping mall.

youdao