Translation of "Terrifying" in Chinese

This kind of odour is really terrifying.

这种气味真可怕。

Never have I read so terrifying a novel as this.

我从没读过那么恐怖的小说。

If there's something more terrifying in the world than eternity, then it's probably the current progress of my diploma thesis.

如果有什么比以往任何时候在世界上可怕的，它是我的论文目前的发展。