道別的英文佳句如下：
1. It's time for us to say goodbye.
我們該說再見了。
2. I hope to see you again someday.
希望有一天能再見到你。
3. Thank you for everything. Goodbye.
謝謝你對我所有的一切，再見。
4. I'll miss you while you're away.
你不在時，我會想你的。
5. Take care and hope to meet again.
保重，希望再會。
6. Goodbye, and may all the happiness be with you.
再見，願你幸福快樂。
7. I wish you a lifetime of happiness. Goodbye!
祝你一生幸福，再見！
8. Don't part from out love lightly, my friend.
我的朋友，不要輕易放下我們的感情。
9. We are forever in each other's thoughts. Goodbye.
我們永遠留在對方的思念中，再見。
10. It's sad to say goodbye, but you live on in my memory.
分別很傷感，但在我的記憶里你永遠活著。
希望這些佳句能夠幫助到您。