Anytime. It's really easy, but, like anything,
没问题。实在很容易 但是 和其它东西一样
It is true that during their explorations they often faced difficulties and dangers of the most perilous nature, equipped in a manner with would make a modern climber shudder at the thought,
确实,在探险中他们经常遇到惊心动魄的困难和危险,而他们装备之简陋足以使现代登山者一想起来就胆战心惊。