“欢乐时光”用英文怎么表达？

欢乐时光的英文是：Happy time?

双语例句：

1

Now, I still remember the happy time and you have.

现在的我，还是会想起和你曾经的快乐时光。 ?

2

Have a happy time!

有个快乐时光！ ?

3

I'm really sorry for saying good-bye to you at this happy time.

在这么高兴的时刻和你们说再见，我真抱歉。 ?

4

In your heart, I see myself, the most happy time I will accompany you.

在你的心里，看到我自己，最开心的时侯我会陪伴你。 ?

5

Now it's the happy time again to read letters.

现在又到了我们快乐读信的时间了。 ?