天空中的绮丽色彩努力让我们快乐起来， 最后上演的是五彩缤纷的微笑，因为它们也知晓，做什么都无法留住时日。

And the colours in the sky try to entertain us. one last act with painted smiles, for they too know that nothing can be done to save the day.

youdao

让我们不要再忙碌，开始快乐起来。

Let’s stop being busy, and start being happy.

youdao

鬼来了，鬼来了，赶快藏起来，万圣节的夜晚就让我们鬼话连篇，放纵快乐一回吧，祝你万圣节开心。

Ghost came to a ghost, quickly hide, let us ghost Talk Halloween night, a back bar happy indulgence, I wish you a happy Halloween.

youdao

Let's go to the excitement,to the fun.

让我们兴奋起来，快乐起来。

哈佛公开课 - 幸福课课程节选