• 动身,出发,引起,爆炸

Verb:

1. put in motion or move to act;

   "trigger a reaction"
   "actuate the circuits"
   

2. leave;

   "The family took off for Florida"
   

3. direct attention to, as if by means of contrast;

   "This dress accentuates your nice figure!"
   "I set off these words by brackets"
   

4. cause to burst with a violent release of energy;

   "We exploded the nuclear bomb"
   

5. make up for;

   "His skills offset his opponent's superior strength"
   

6. set in motion or cause to begin;

   "The guide set the tour off to a good start"
   

7. provoke or stir up;

   "incite a riot"
   "set off great unrest among the people"
   

1.动身;出发;启程
When youset off, you start a journey.

e.g. Nicholssetoff for his remote farmhouse in Connecticut...
尼科尔斯动身去他在康涅狄格州的偏僻农舍了。
e.g. The President's envoysetoff on another diplomatic trip...
总统的使节开始了又一次外交之旅。

2.引爆(炸弹);触发，拉响(警报等)
If somethingsets 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.

set off

e.g. Any escape, once it's detected, setsoff the alarm...
一旦发现有泄漏，警报就会响起来。
e.g. Someonesetoff a fire extinguisher...
有人打开了灭火器。

3.引发;触发;激起
If somethingsets off an event or a series of events, it causes it to start happening.

e.g. The arrival of the charity vansetoff a minor riot as villagers scrambled for a share of the aid...
救济物资车的到来引发了小小的骚乱,村民们争先恐后地想抢到一份援助物资。
e.g. If he attended a party without his wife, itsetoff a storm of speculation.
如果他没和妻子一块儿出席宴会，便会招致各种猜测满天飞。

4.使发怒;使回忆起来;使侃侃而谈
If somethingsets a personoff, it makes them angry, or makes them remember something and they start talking a lot.

e.g. The smallest thing sets himoff, and he can't stop talking about his childhood.
一件微不足道的小事都能打开他的话匣子，他会滔滔不绝地讲述他的童年。

5.衬托;(通常指通过对比)使显得更漂亮
If one colour, flavour, or objectsets off another, it makes it look more attractive, often by providing a contrast.

e.g. Blue suits you, setsoff the colour of your hair.
蓝色很适合你，能衬托出你的发色。
e.g. ...perfectly proportioned galleries thatsetoff the contents to their best advantage.
结构匀称完美、能最有效地凸显其展品的展览馆

1. 隔开：后一部分的所有代码被一个if语句隔开(setoff) 了,这个if语句检查__name__这个东西是不是等于__main__. 再说一次,双下划线意味着特殊的名字. 使用if的原因是因为每一个文件都有可能在另外的程序里被用作库模块(马上就会讲到模块).

2. 出发：ringoff挂断电话 |setoff出发 | seeoff送行

3.

3. 引起：5. show up露面;出席 | 6.setoff引起 | 8. a piece of一片;一块;一张

4. 激起：a costume party一个服装聚会 |setoff 激起 | get married 结婚

If you want to catch that train we'd better set off for the station immediately.

你要是想赶上那班火车，咱们就最好马上动身去火车站。

What time are you planning to set off tomorrow?

你打算明天几点钟启程?

They've set off on a journey round the world.

他们已经开始环游世界。

He'll have to circle the mark for 360'u00b0more before he can set himself free.

他就得多绕航标360°才能解脱。

That jumper sets off the blue of her eyes.

在这件毛衣衬托下，她眼睛的蓝色显得更漂亮了。

He set these heavy expenses off against his increase in salary.

他的这些沉重的开销抵消了增加的工资。

Do be careful with those fireworks; the slightest spark could set them off.

这些烟火要格外小心，稍有火星就能引起爆炸。

The first atom bomb was set off over Hiroshima.

第一颗原子弹是在广岛上空爆炸的。

The burning gas was easy to set off an explosion.

燃烧的煤气容易引起爆炸。

Nichols set off for his remote farmhouse in Connecticut...

尼科尔斯动身去他在康涅狄格州的偏僻农舍了。

The President's envoy set off on another diplomatic trip...

总统的使节开始了又一次外交之旅。

Any escape, once it's detected, sets off the alarm...

一旦发现有泄漏，警报就会响起来。

Someone set off a fire extinguisher...

有人打开了灭火器。

The arrival of the charity van set off a minor riot as villagers scrambled for a share of the aid...

救济物资车的到来引发了小小的骚乱,村民们争先恐后地想抢到一份援助物资。

If he attended a party without his wife, it set off a storm of speculation.

如果他没和妻子一块儿出席宴会，便会招致各种猜测满天飞。

The smallest thing sets him off, and he can't stop talking about his childhood.

一件微不足道的小事都能打开他的话匣子，他会滔滔不绝地讲述他的童年。

Blue suits you, sets off the colour of your hair.

蓝色很适合你，能衬托出你的发色。

...perfectly proportioned galleries that set off the contents to their best advantage.

结构匀称完美、能最有效地凸显其展品的展览馆

Read defeat in the slump of his shoulders.

从他肩膀的无力下垂上可以看出他失败了.

Get prepared so that you can set off immediately if sth . happens.

做好准备,一旦有事,马上出动.

They equipped themselves with a pair of sharp axes and set off for the forest.

他们带上两把利斧便朝森林走去.

The detachment set off ahead of schedule.

小分队提前出动了.

A part of the money was set off for the building of a science boardinghouse.

一部分钱被拨出来用作修建科学寄宿宿舍之用.

He proposed to set off immediately.

他建议立即动身.

The youngsters set off string after string of firecrackers to mark Spring Festival.

孩子们放了一串又一串的鞭炮,以欢庆春节.

Dressed up as Father Christmas and accompanied by a'guard of honour'of six pretty girls, he set off down the main street of the city riding a baby elephant called Jumbo.

他扮成圣诞老人,在声个漂亮姑娘组成的 “ 仪仗队”的陪同下骑着一只叫江波的小象,沿着城里的主要街道出发了.

She had a quick swig of water and then set off again.

她匆忙喝了一大口水,然后又出发了.

We must get the right kind of frame to set off the picture.

我们得找个合适的镜框把这幅画衬得更加好看.

The runners set off at a blistering pace.

赛跑运动员如脱缰野马般起跑了。

She set off at a canter.

她骑着马慢跑出发。

It set off a chain reaction in the international money markets.

这一事件在国际金融市场上引起了连锁反应。

• set off to advantage把…衬托得更好看,使...
• set off出发，动身
• set off on the wrong foot使一开头就不顺利...
• set off on the right foot参照 get off...
• set off at score全速起跑