goodbye

再見、再會、拜拜

Goodbye, and thanks for everything you've done for us.

再見，謝謝你為我們做的一切。

道別、告別

We said our goodbyes at the airport and boarded separate flights.

我們在機場道別，然後各自搭上不同的班機。

訣別、永別常與 final 連用

She hugged him tightly, knowing this was their final goodbye.

她緊緊抱住他，知道這是他們最後一次的訣別。

告別、失去、不再擁有口語

If the funding is cut, you can say goodbye to the whole project.

要是經費被砍，這整個專案就別想了。