The news set off a continent-wide health scare.

这一消息引起了整个大陆的健康恐慌。

《柯林斯英汉双解大词典》

We set off at a smart pace.

我们快步出发了。

《牛津词典》

They set off at a leisurely pace.

他们步态悠闲地出发了。

《牛津词典》

And as they set off across the wild country of west Texas, their mother and father could hardly hear a thing.

VOA: special.2009.11.28

So we left off last time with looking at a bit of coding and teasing you with the upcoming problem set.

我们上次讲到了查看一些代码,并且给你们带来这下面的习题。

哈佛公开课 - 计算机科学课程节选

But it's really a chance, especially for those less comfortable, to be set off on a very specific path.

这的确是一个机会，特别对于那些不怎么舒适的，这是通过,特殊途径开始的好机会。

哈佛公开课 - 计算机科学课程节选

After his defeat, he said even taking a set off third seed Grosjean was a real morale-booster.

BBC: Safin blows out Gasquet

In the first quarter-final, Djokovic became the first player to take a set off unseeded Croatian Ancic in the tournament when he claimed the hard-fought opener on a tie-break.

BBC: Nadal crashes to defeat in Madrid

In Jerusalem, it is believed a call to a cell phone in a rucksack set off a bomb at Hebrew University in 2002, killing seven.

CNN: Mobiles used in high-tech terror