It is impossible to travel faster than the speed of light, and certainly not desirable, as one's hat keeps blowing off.

不可能旅行得比光速更快，当然也不希望这样，因为你的帽子老是会被吹掉。

Finding it as impossible to touch her as to catch a humming -bird in the air he took from his hat the gold chain that was twisted about it and threw it to the child.

但他发现要想碰到她简直象抓住空中飞鸣而过的鸟儿一样根本不可能，于是就从他的帽子上取下缠在上边的金链，扔给了那孩子。

Finding it as impossible to touch her as to catch a humming-bird in the air he took from his hat the gold chain that was twisted about it and threw it to the child.

但他发现要想碰到她简直象抓住空中飞鸣而过的鸟儿一样根本不可能，于是就从他的帽子上取下缠在上边的金链，扔给了那孩子。