John Colter was an American trapper and guide who had traveled through the then unknown regions of North America.

John Colter 是名美国猎，同时也是名向导，他曾穿越过北美洲尚未为人所知的区域。

Clocks and watches, and probably even sundials, were then unknown, so these divisions were marked by burning candles of equal lengths.

钟表，甚至日晷在当时也不为人所知，因此这三块时间是通过点燃相同长度的蜡烛表示的。

Eric Schmidt and I had met several times during my Treasury years, and I went to see him just after he became CEO of the then relatively unknown Google.

当我还在美国财政部工作的时候，埃里克·施密特见过我几次，那时他刚当上还没有名气的谷歌公司的首席执行官。

It was only my head and my legs that I could move, but to that extent I struggled with all the force, until then unknown, that was within me.

我只能移动我的头和腿，但在那个程度上，我挣扎着所有的力量，直到那时我还不知道，那是我体内的力量。

It was a heavy blow to Robineau, who had not imagined that his rival would lower his price; for this suicidal style of competition, this practice of selling at a loss, was then unknown.

这对罗宾诺来说是一个沉重的打击，他没有想到他的竞争对手会降低他的价格；这种自取灭亡的竞争方式，这种亏本销售的做法，在当时还无人知晓。

Such were the scenes, on which his thoughts were employed while sleeping: His unsatisfied Desires placed before him the most lustful and provoking Images, and he rioted in joys till then unknown to him.

这就是他在睡觉时思考的场景：他未满足的欲望把最和最挑逗的形象摆在他面前，他欢呼雀跃，直到那时他都不知道。

A sensation till then unknown filled his heart with a mixture of anxiety and delight: A raging fire shot through every limb; The blood boiled in his veins, and a thousand wild wishes bewildered his imagination.

一种从未有过的感觉让他的心充满了焦虑和喜悦：四肢都燃烧着熊熊的火焰；血液在他的血管里沸腾，一千个狂野的愿望在他的想象中扑朔迷离。