They will scare away small birds.

它们会把小鸟吓跑。

It can often scare away bad guys.

通常会把坏人吓跑。

“That will scare away the tiger, ” she said.

“这样就能吓走那只老虎了。” 她说。

People keep a dog to scare away thieves.

人们养狗来吓跑小偷。

They are said to scare away the bad spirits, too.

也有人说这是要吓跑恶鬼。