孩子们在黑暗中感到恐惧。

háizi men zài hēi'àn zhōng gǎndào kǒngjù.

Children feel fear in the darkness.

看到那座废弃的建筑，他感到恐惧。

kàndào nà zuò fèiqì de jiànzhù, tā gǎndào kǒngjù.

Seeing the abandoned building, he felt fear.

孩子一听到雷声就露出了恐惧的表情。

Háizi yì tīngdào léishēng jiù lòuchū le kǒngjù de biǎoqíng.

As soon as the child heard the thunder, a look of fear appeared on his face.