He said his goodbyes knowing that a long time would pass before he would see his child again.

他道了别，知道要过很久才能再见到他的孩子。

I said a hurried goodbye and walked home in the cold.

我匆忙地说了声再会便冒着严寒走回了家。

Perry and I exchanged goodbyes.

我和佩里互道再见。

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。

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.

我们就只能向工作的人所需要且应得的那种保护说拜拜了。