The lights mysteriously failed, and we stumbled around in complete darkness.

灯神秘地熄灭了，我们在完全的黑暗中跌跌撞撞。

《柯林斯英汉双解大词典》

He turned off the light and the room was in complete darkness.

他关上了灯，室内一片漆黑。

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It comes from Australia and can be seen in the bush just before complete darkness.

暮眼蝶来自澳大利亚，它总在天即将全黑下来之前出现在灌木丛中。

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One tiny light is all it will take to extinguish complete darkness.

BBC: Missing pieces in Utah

"It's not very good, especially this time of year when we're having to walk to work in the dark, complete darkness, " Ms Twogood said.

BBC: Dorset midnight street light switch-off to continue

Altered day-night cycle: the Antarctic winter involves a period of over three months of complete darkness where the sun does not rise above the horizon.

BBC: Viewpoint: The last great polar challenge