joy可数吗

例句：

1、He jumped for with joy.

他高兴得跳了起来。

2、She sang and danced for with joy.

她高兴得载歌载舞。

3、They expect no joy from the voteitself.

他们对投票本身不抱任何希望。

4、You alone are the real joy-giver, And the apple of eye.

唯有你赐我真实喜乐，你是我眼中瞳仁。

5、To his mother’s joy, he won first prize.

他得了头等奖，他妈妈高兴极了。