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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So half of our space walk is in complete darkness. The helmet lights are essential at the work sight.

这样我们太空行走的一半时间是在完全无光线下进行的，我们头盔上的光就成了工作时必备的光源。

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They plan to travel almost 4, 000 kilometers (2, 485 miles) through icy wilderness mostly in complete darkness and in temperatures as low as minus 90 degrees Celsius.

CNN: STORY HIGHLIGHTS

"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

He wants to complete Kona in 11 hours before darkness falls ("NO GLOWSTICKS" is a Kona mantra, since runners are given glow sticks as night falls).

WSJ: Jason Gay: Italian for Dinner, a Triathlon for Dessert