Without saying goodbye, he disappeared into the crowd.
He said 'Goodbye everyone' and stood up.
It was impolite of him not to say goodbye.
He left without saying goodbye.
He smiled and said goodbye.
Before saying goodbye to their neighbors, the Smiths had to tie up some loose ends inside the house.
Goodbye till tomorrow.
Goodbye, I'll see you at the time we agreed on.
She smiled and said goodbye.
I've come to say goodbye.
I'm afraid I must say goodbye.
Goodbye, Sayoko.
I guess that the beautiful girl will say goodbye to the shy young man.
He went out without saying goodbye to me.
Those two are blindly enraptured with each other right now but they say first meeting someone is the first step toward goodbye. I wonder if they're aware of that.
He left the house without so much as saying goodbye.
Susan manages to tell her mother that it is time to say goodbye.