but they lead mysterious lives of their own as well.

但是，它们又有自己神秘的生活方式。

Not wanting to frighten the poor man,

理查兹夫人不想吓唬这个可怜人，

One night, the gaoler decided to play a joke on his colleague to find out if, after so many performances, he had managed to learn the contents of the letter by heart.

一天晚上，狱卒决定与他的同事开一个玩笑，看看他反复演出这么多场之后，是否已将信的内容记熟了。

As it was extremely narrow, the man was unable to move,

由于烟囱太窄，那人无法动弹。

The deepest known cave in the world is the Gouffre Berger near Grenoble.

世界上最深的洞穴是格里诺布尔附近的高弗。伯杰洞，

Though he was reluctant to do so at first, we eventually persuaded him to take us.

一开始，他很不愿意，但经劝说，终于同意了。