perilous

1. ADJ Something that is perilous is very dangerous. 险恶的[文学性]

...a perilous journey across the war zone. …一段穿越战区的艰险旅途。

The road grew even steeper and more perilous. 这条路变得更陡更险了。

2. perilouslyADV 险恶地

The track snaked perilously upwards. 这条小道绝险地蜿蜒而上。