重点讲解：
1. emerge as
显露；露头；显现；
eg. We could supposedly emerge as a smaller but healthier company.
我们可以作为一个规模较小但较为健康的公司而东山再起。
eg. Divested of the hype surrounding its launch, the show can now emerge as a full-fledged classic.
没有了上映时的炒作，这场演出现在可以作为一部真正意义上的经典之作亮相了。
2. give birth
生（孩子）；分娩；生育；
eg. She'll give birth to her first baby this summer.
她今年夏天要生第一胎。
eg. Her temper has soured after giving birth.
生产后，她的脾气变得暴躁了。
3. set off
引爆（炸弹）；触发，拉响（警报等）；
eg. If you drop a lighted cigarette, you could set off a fire.
如果你把一根点燃的香烟掉在地上，就有可能引起火灾。
eg. People set off fireworks and tooted their car horns.
人们点燃烟花，按响汽车喇叭。
4. scare away
吓跑；
eg. People keep a dog to scare away thieves.
人们养狗来吓走小偷。
eg. The high price scares away any possible buyers.
昂贵的价格把有意光顾的买主吓跑了。
