He says the station is not a happy one. He says when he saw it, he was very scared because the station isn't light, it's very dark.

VOA: standard.2010.07.10

You can find a whole- you can sort of find a deep and abiding kind of American nationalism still in a lot of these budding Southern patriots, even by the 1850s, especially when they get scared about what secession might actually mean.

你会发现,可以说你会发现一种深层持久的,美国民族主义仍旧根植于许多,南方爱国者们心中,甚至到十九世纪五十年代还是如此,特别是当他们开始害怕,脱离联邦会导致何种不可预料的结果

耶鲁公开课 - 美国内战与重建课程节选

for when you want to express that you are scared of something or someone,

当你想表达你对某事或某人很恐惧的时候，你就可以使用这个句型。

I'm afraid of 课堂 - SpeakingMax英语口语达人