重点讲解：
1. scare away/scare off
吓跑；
eg. Some scarecrows in the fields can scare away birds, and animals.
在田间安放一些草人，可以起到吓走鸟兽的作用。
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。
eg. Keep quiet, or you'll scare off away the bird.
安静，要不然你就把那只鸟给吓跑了。
eg. They lighted a fire to scare off the wolves.
他们点了一堆火来吓跑狼群。
2. go down
（太阳）落下；
eg. When the sun started to go down, he stopped and set up a tent.
太阳开始下山了，他停下来，竖起帐篷。
eg. The sun begins to go down.
太阳开始落山了。
3. stare at
凝视；盯着看；
eg. It's rude to stare at people.
盯着看人不礼貌。
eg. They stared at the strange sight in silent wonder.
他们惊讶地默默凝视那奇景。
