set off

phrasal verbphr v

a) LEAVE A PLACEto start to go somewhere 出发，启程，动身

I’ll set off early to avoid the traffic.

我要早些出发避开交通拥堵。

for

Jerry and I set off on foot for the beach.

我和杰里步行前往沙滩。

b) set something ↔ offSTART something/MAKE something START to make something start happening, especially when you do not intend to do so 引起，激发〔尤指意外事件〕

News that the claims might be true set off widespread panic.

这种说法可能属实的消息引起了普遍的恐慌。

Hong Kong’s stock market fell, setting off a global financial crisis.

香港股市下跌，引发了一场全球性的金融危机。

In written English, people often say that something triggers a particular reaction or event, rather than sets it off, because it sounds more formal: 在书面英语中,人们说某事引发某种反应或事件时,经常用trigger,而不用set off,因为trigger听上去更加正式

This could trigger a global financial crisis.

这可能会引发一场全球性的金融危机。

c) set something ↔ off to make an alarm start ringing 触响〔警报系统〕

Smoke from a cigarette will not normally set off a smoke alarm.

香烟的烟雾一般不会触发烟雾警报器。

d) set something ↔ offSCBEXPLODE to make a bomb explode, or cause an explosion 使〔炸弹〕爆炸；引发〔爆炸〕

Any movement could have set off the bomb.

任何动静都可能引爆这颗炸弹。

e) set something ↔ offSUIT/LOOK GOOD TOGETHER if a piece of clothing, colour, decoration etc sets something off, it makes it look attractive 衬托某物；使某物显得更漂亮

The blue sundress set off her long blonde hair.

蓝色的太阳裙把她那金色的长发衬托得更加美丽。

f) set somebody offSTART something/MAKE something START to make someone start laughing, crying, or talking about something 激起某人的某种情感〔指引起某人发笑、哭泣、谈论某事等〕

Don’t mention what happened – you’ll only set her off again.

别提发生的事了——你这样只会让她又哭起来。

g) set something off against taxPET to officially record the money you have spent on something connected with your job, in order to reduce the amount of tax you have to pay 把某事物计入账里抵税

Some expenses can be set off against tax.

有些开支可以入账抵税。

Examples from the Corpus

set off• Nobody knows what set the riot off.• Police say radio signals were probably used to set the bomb off.• The alarm is so sensitive that the slightest movement will set it off.• The group set off a bomb outside a crowded cafe in Izmir last September.• The army's invasion set off a major international crisis.• The splitting of an atom sets off an explosive chain reaction.• In 1992, tidal waves set off by a strong earthquake killed around 2000 people.• Smoke alarms can be set off by smoke from cigarettes, cooking, and fireplaces.• If we set off early in the morning we should reach the coast before dark.• We set off for Brighton in good spirits.• It's a lovely dress, and a brightly coloured silk scarf will set it off perfectly.• Someone accidentally set off the fire alarm.• The brass rail sets off the wooden panelling very nicely.

set for• They agreed they were quite lucky to escape the fire and set off for a foreign country.• When the rain stops I set off for a walk in the cool, after-rain air.• Gregorio and I set off for London.• Thomson, eager to experience as many of these opportunities as possible, set off for Penang in 1862.• We got some torches together and set off for the graveyard.• Wilcock set off for the New World.• She set off for the second floor, but there was no police officer there.• Refreshed, and filled once again with energy we set off for the second time that day.

→ set off at set1(PHRASAL VERB)

set offChinese

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