I'm scared I'm going to fall.

　　我擔(dān)心自己快掉下去了。

　　I was scared, I don't mind telling you!

　　說真的，我嚇壞了。

　　She is scared of going out alone.

　　她不敢一個人外出。

　　If you ask me, she's too scared to do it.

　　依我看，她被嚇得不敢做了。

　　The thieves got scared and ran away.

　　小偷害怕了，就跑了。