" It was bonkers, " they said. " Completely undeliverable."

“这太疯狂了，完全无法实现。”

I did, the letter got returned as undeliverable.

我寄过 但被退回来了 说是无法投递。

Then the wild and distant seas where he rolled his island bulk; the undeliverable, nameless perils of the whale; these, with all the attending marvels of a thousand Patagonian sights and sounds, helped to sway me to my wish.

其次，那条大那里面滚动它那岛身体荒凉辽阔大海；和与那条大分不开无可言宣、难以名状种种惊险；以及沿途巴塔哥尼亚一带见到听到无数声色之奇，都帮助影响我意图。