艰险

In a sentence

• 登山途中，我们经历了许多艰险山路。

  During the mountain climb, we encountered many treacherous trails.

  Here, '艰险' (treacherous or tough) is used as an adjective to describe the challenging and dangerous nature of the mountain trails.

• 面对工作的艰险，他展示了强大的毅力。

  Facing the difficulties of work, he demonstrated great perseverance.

  In this sentence, '艰险' (hardships or difficulties) represents obstacles and challenges in the context of a task or endeavor.

• 这条探险路线虽充满艰险，但也令人兴奋无限。

  Although this exploration route is full of dangers, it also excites greatly.

  Here, '艰险' (dangers) highlights the arduous and risky aspects of the exploration route in a figurative sense.