1. Bye bye.
再见。

2.So long.
再见

3.Catch you later.
待会儿见。

4.Goodbye, Ann, see you soon !
再见，安，回头见！

5.Goodbye till we meet again.
再见！

6.See you later!
再见!

7.Bye for now!
现在再见了。

8.Nothing remains except for me to say goodbye.
最后我该说一声再见了.

9.Bye,Mary. Hope to see you again.
再见， Mary。希望能再看到你。