The track snaked perilously upwards.

这条小道绝险地蜿蜒而上。

We came perilously close to disaster.

我们险些出了大乱子。

We climbed rather perilously down a rope-ladder to the boat below.

我们冒着危险沿着绳梯爬到了下边的小船上。

Urban unemployment would rise perilously.

城市的失业率上升到警戒水平。

They were perilously close to the edge of the precipice.

他们离悬崖边很近，十分危险。