3PHRASE 道别/ 挥手告别 When you say goodbye to someone, you say something such as 'Goodbye', 'Bye', or 'See you', when you or they are leaving. You can also wave goodbye to someone. 道别/ 挥手告别
He left without saying goodbye.
他不辞而别。
He wanted to say goodbye to you.
他想跟你说声再见。
They came to the front door to wave goodbye.
他们来到前门挥手告别。
4PHRASE 向…说再见;承认不会(或不再)拥有 If you say goodbye or wave goodbye to something that you want or usually have, you accept that you are not going to have it. 向…说再见;承认不会(或不再)拥有
He has probably said goodbye to his last chance of Olympic gold.
他可能已经失去了夺取奥运会金牌的最后机会。
We can wave goodbye to the sort of protection that people at work need and deserve.