At all events, when I look back upon the boy I was, I see the beginnings of a real person who fades little by little as manhood arrives and advances, until suddenly I am aware that a stranger has taken his place.
I took no thought of the time, until suddenly my conscience told me I had neglected Patty.
How long I was gazing at the shifting coast I know not, for a strange wildness was within me that made me forget all else, until suddenly I became conscious of a presence at my side, and turned to behold the captain.
So Mrs. Yue was obliged to go away, and Chi-sheng became worse and worse every day, until suddenly one of the maids came in and informed him that the young lady herself was at the door.
But the firing was almost continuous, until suddenly a shell struck the Centurion abaft the funnel, and for a moment stilled her guns.
All was quiet in our immediate vicinity for some time, until suddenly we discerned the cyclists coming back.
On came the horseman, until suddenly he emerged from among the mimosas and euphorbias.
We forgot breakfast, and stopped in the ruins a long time, until suddenly we both realized that we were desperately hungry.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "until suddenly" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.