Türkçe Anlamı:
(1) geziye başlamak, (2) çıkmak (3) tetiklemek

Örnek Cümleler
- He set off from Paris last Sunday
- The loud music set off the baby's crying.
- The smoke from the fire set off the smoke alarm.
- They set a bomb off outside the building.
- Hong Kong's stock market fell setting off a global financial crisis
- When are you planning to set off?
- I usually set off for college at about seven.
- They quickly got in the car and set off down the road.
- We unpacked and changed our clother before setting off to explore.