One by one, falling into darkness 一个接一个堕入黑暗中

on by one:一个接一个

Let's get on the bus one by one.

让我们一个一个地上车吧。

fall into:落入

Laid-off workers fall into penury.

下岗职工陷入贫困。

Old civilization may fall into decay.

古老的文化可能会渐渐衰落下去。

常用短语:

fall into line排队(同意)

If you push all correct buttons, everything will fall into line.

如果按钮按得正确，一切都会顺利进行。

fall into oblivion渐被忘却(漂没无闻)

His reputation will fall into oblivion in the future.

他的声望将来会被忘记。

fall into a trap堕入圈套

Once you fall into a trap,it will not be easy to get out of it.

一旦落入圈套，摆脱它就不那么容易。

fall into despair陷入绝望

fall into company with偶然结识

I fell into company with one poor man.

我偶然地和一个可怜人成了朋友。