Today I feel very yippee.

今天，我感到十分开心！

Yippee! Today is the Fourth of July.

哇呜！今天是七月四日。

And yippee, Justin no longer refuses to wipe off his own food crumbs!

果然大贝贝再也不会抗拒自己擦自己掉的食物屑屑了！

My daughter's face lit up with pleasure at the sight of the Christmas tree. Yippee! She cried.

一看到圣诞树，我女儿喜笑颜开。她欢呼道：“耶！”