set off

phrasal verbphr v

a) LEAVE A PLACEto start to go somewhere 出發，啓程，動身

I’ll set off early to avoid the traffic.

我要早些出發避開交通擁堵。

for

Jerry and I set off on foot for the beach.

我和傑裏步行前往沙灘。

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

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

這種說法可能屬實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，引發了一場全球性的金融危機。

In written English, people often say that something triggers a particular reaction or event, rather than sets it off, because it sounds more formal: 在書面英語中,人們說某事引發某種反應或事件時,經常用trigger,而不用set off,因爲trigger聽上去更加正式

This could trigger a global financial crisis.

這可能會引發一場全球性的金融危機。

c) set something ↔ off to make an alarm start ringing 觸響〔警報系統〕

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

香煙的煙霧一般不會觸發煙霧警報器。

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

Any movement could have set off the bomb.

任何動靜都可能引爆這顆炸彈。

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

The blue sundress set off her long blonde hair.

藍色的太陽裙把她那金色的長發襯托得更加美麗。

f) set somebody offSTART something/MAKE something START to make someone start laughing, crying, or talking about something 激起某人的某種情感〔指引起某人發笑、哭泣、談論某事等〕

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

别提發生的事了——你這樣只會讓她又哭起來。

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 把某事物計入賬裏抵稅

Some expenses can be set off against tax.

有些開支可以入賬抵稅。

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 off

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