If you are happy and you know it, shout hurray.

如果你感到开心就大声呼喊出来吧。

youdao

Re happy and you know it shout 'Hurray!

如果感到快乐你就大叫！

youdao

Re happy and you know it shout 'Hurray!

如果感到快乐你就大叫！

youdao