One fine day when I look at the clay.

有一天当我看着粘土。

I suppose I might be rich one fine day.

我想有一天我大概会发财。

Then one fine day, you will smile to yourself.

然后在一个晴朗天，你将会对自己微笑。

And so, one fine day, I had a terrible toothache.

终于有一天，我的牙齿剧痛起来。

One fine day, a group of young people were dancing to my fife.

某个风和日丽的日子，一群年轻人正随着我的横笛曲调跳舞。