joy

当他们的第一个孩子出生时，他们充满了喜悦。

They were filled with ___joy when their first child was born.

音乐是她生活中的一大乐趣。

Music is a great ___joy in her life.

我在他们脸上看到了喜悦的神情。

I saw the look of ___joy on their faces.