Hep birden koşmaya başladılar.
- They began to run all at once.
Her şey birdenbire oldu.
- Everything happened all at once.
Birdenbire, o konuştu.
- All at once, he spoke out.
Aniden bir patlama oldu.
- All at once there was an explosion.
Aniden bir feryat duydum.
- All at once, I heard a cry.