Having little or no light; not illuminated.

• Hard to see because of low brightness.

光线很弱或没有光；未被照亮。

• 因亮度低而难以看清。

Of a deep or dull shade; not bright in color.

• Having low lightness in hue or tone.

色调深或暗；不鲜亮。

• 颜色明度低。

Secret, covert, or hidden from public knowledge.

• Little-known or not documented; obscure.

秘密的、隐蔽的，不为公众所知。

• 鲜为人知或未有记录；晦暗不明。

Grim, sinister, or threatening in mood or tone.

• Emphasizing the bleak or macabre; as in dark humor.

阴郁、险恶或带威胁的基调。

• 强调阴冷或骇人的元素；如黑色幽默。

Unclear or difficult to understand; obscure or ambiguous.

不清楚或难以理解；含糊晦涩。

The absence of light; darkness.

• Nighttime or a dark place.

没有光的状态；黑暗。

• 夜晚或昏暗处。

A state of ignorance or lack of knowledge.

无知或缺乏知识的状态。

A dark area or passage in a work of art.

艺术作品中的暗部或阴影部分。

To become dark; to lose light.

• To make dark; to dim or obscure.

变暗；失去光亮。

• 使变暗；使变得模糊或不清。