perilous

1. ADJ Something that is perilous is very dangerous. 險惡的[文學性]

...a perilous journey across the war zone. …一段穿越戰區的艱險旅途。

The road grew even steeper and more perilous. 這條路變得更陡更險了。

2. perilouslyADV 險惡地

The track snaked perilously upwards. 這條小道絕險地蜿蜒而上。