I am an American

一───one;美国───U.S.A

One way and another I'm going to finish this work before the end of the month.───无论如何,我打算在本月完成这项工作.

I will come between twelve and one o'clock.───我会在12点至1点之间来.

Take one tablet every four hours.───隔四小时服一片.

Take one pace forward.───向前走一步.

Boats for hire: one shilling an hour.───游船出租: 每小时一先令.

No one asked your opinion, so butt out.───没有人征求你的意见, 不要插嘴.

The teeth of one wheel engage with those of the other.───一个轮的齿与另一轮的齿相啮.

We've tried this method for no one knows how many times.───这种方法我们已不知试了多少次.

One mischief [misfortune] comes on the neck of another.

My sister was the one who travelled farthest.

The authorities proved unyielding on one crucial opposition demand.

Gain got by a lie will burn one’s fingers.

I swapped my red scarf for her blue one.