悬崖有一个陡峭的崖面，令人望而生畏。

The cliff has a ___sheer face that is intimidating.

登山者在旅途中常常遇到陡峭的悬崖。

Mountaineers often encounter ___sheer cliffs on their journeys.

由于坡度陡峭，攀登很困难。

The ascent was difficult due to the ___sheer slope.