100. Have a good time.  玩得开心点

Let's go to sing songs together this evening.
今晚我们一起去唱歌吧。

No, thank you. I am otherwise engaged. I hope you have fun.
不，谢谢你。我没有空。祝你玩得开心。

Ok. Be sure to join us next time.
好的。下次要加入我们哦。

What are you going to do this weekend?
这个周末你打算做什么？

I am going to the suburb to pick fruit. Are you coming?
我打算去郊外摘水果。你要来吗？

No, thanks. I hope you have fun.
不，谢谢。祝你玩得开心。