frightening

可怕的、令人恐惧的、骇人的

The storm made a frightening noise against the windows.

暴风雨拍打窗户的声音十分可怕。

惊人的、吓人的指程度

House prices are rising at a frightening rate.

房价正以惊人的速度上涨。

使害怕、惊吓frighten 的现在分词

Stop frightening your little sister with those stories.

别再用那些故事吓你妹妹了。