in the dark 和in（the）darkness 有何区别

1. in the dark

1) 在黑暗中 （一般情况的黑暗或一时的黑暗）

The blind live in the dark.

盲人在黑暗中生活。

In the dark my sense of hearing becomes so acute.

黑暗中我的听觉变得异常灵敏。

Camp fires flared like beacons in the dark.

营火突然熊熊燃烧起来，看上去就像黑暗中的航标灯。

Her mother was sitting in the dark by the stove in her rocking chair

她母亲坐在炉边暗处的摇椅里。

She bumped into me in the dark.

她在黑暗中冲撞在我身上。

We lost the way in the dark.

我们在黑暗中迷路。

Groping in the dark, he suddenly touched something.

他在暗中摸索着，忽然触动了什么东西。

He groped for the door handle in the dark.

他在暗中摸索着找门把手。

In the dark I bumped into a chair.

我在黑暗中撞上了一把椅子。

2) 不为人知 、茫然不知、被蒙在鼓里（其实汉语也经常说我对这个事情两眼一抹黑。）

Even my mother is in the dark about it, to say nothing of me!

这事连我妈都不知道，别说我了！

The investigators admit that they are completely in the dark about the killing

调查人员承认他们对这起谋杀一无所知。

I managed to keep my parents in the dark about this

我设法对父母瞒下了此事。

I feel completely in the dark on this question.

这件事使我感到茫然。

Thank you for bringing me the news. I've been living in the dark till now!

谢谢你给我透了个信；我真是蒙在鼓里呀！

He kept me in the dark about it.

他将此事隐瞒不让我知道。

We were completely in the dark as to his future plans.

对他的未来计划我们全然不知。

Being new here, I'm very much in the dark myself!

我刚来，真是丈二和尚摸不着头脑！

We cannot keep him in the dark about this any longer.

这件事不能再瞒着他了。

He kept me in the dark about it.

他将此事隐瞒不让我知道。

2. in (the) darkness 在黑暗中（只有指一时的黑暗情况一个意思）

如：The room was in darkness

房间一片漆黑。

Fireflies sparked in the darkness.

萤火虫在黑暗中发光。

I stood alone in the darkness,

黑暗中我独自矗立。

He lay in the darkness, pretending to sleep.

他躺在黑暗中，假装睡觉。

John had been sitting, unobserved, in the darkness.

约翰一直坐在黑暗中，没有被人察觉。

There was only one sliver of light in the darkness.

黑暗中只有一点零星的光亮。

He hurried into the hall, banging his shin against a chair in the darkness.

他匆匆步入大厅，黑暗中小腿撞到了一把椅子上。

We saw two more wild cats creeping towards us in the darkness.

我们看见又有两只野猫在黑暗中悄悄向我们靠近。

Any straggler that fell behind or got lost in the darkness was easy prey for the enemy.

任何在黑暗中落伍或走失的掉队者都很容易成为敌人的攻击目标。