ph.
1. 动身;出发;启程
When you set off, you start a journey.
2. 引爆(炸弹);触发，拉响(警报等)
If something sets off something such as an alarm or a bomb, it makes it start working so that, for example, the alarm rings or the bomb explodes.
3. 引发;触发;激起
If something sets off an event or a series of events, it causes it to start happening.
4. 使发怒;使回忆起来;使侃侃而谈
If something sets a person off, it makes them angry, or makes them remember something and they start talking a lot.
5. 衬托;(通常指通过对比)使显得更漂亮
If one colour, flavour, or object sets off another, it makes it look more attractive, often by providing a contrast.
1. cause to burst with a violent release of energy
e.g. We exploded the nuclear bomb
Synonym: explodedetonateblow up
2. set in motion or cause to begin
e.g. The guide set the tour off to a good start
3. direct attention to, as if by means of contrast
e.g. This dress accentuates your nice figure!
I set off these words by brackets
Synonym: bring out
4. provoke or stir up
e.g. incite a riot
set off great unrest among the people
Synonym: inciteinstigatestir up
5. put in motion or move to act
e.g. trigger a reaction
actuate the circuits
Synonym: tripactuatetriggeractivatespark offsparktrigger offtouch off
6. leave
e.g. The family took off for Florida
Synonym: departpartstartstart outset forthset outtake off
7. make up for
e.g. His skills offset his opponent's superior strength