I snuck back to retrieve it under cover of darkness.

我偷偷溜回去，在黑暗的掩护下找回了它。

But that's only because female fairywrens cheat under cover of darkness.

但这只是因为鹩莺在夜幕的遮掩下偷情。

It was only later he realised the extent of the industrial chemicals that were being dumped there under cover of darkness.

直到后来，他才意识到在黑暗的掩护下，有大量的工业化学物质被倾倒在那里。

But as Drake moved towards the mouth of the lake under cover of darkness, his plot was suddenly and magnificently foiled.

可是当爵士想趁着黑夜 驶入这个湖口时，他的计划突然被彻底破坏了。

They escaped under cover of darkness.

【cover】他们在夜幕的掩护下逃跑了。

But one night, under cover of darkness, and further concealed in a most cunning disguisement, a desperate burglar slid into his happy home, and robbed them all of everything.

但是，一天晚上，在夜色的掩盖下，凭借最为狡猾的伪装，一个穷凶极恶的窃贼溜进了他幸福美满的家，把他的一切偷得精光。

These tropical insects, which live on an island in the middle of the Panama Canal, visit night-blooming flowers under cover of darkness.

这些热带昆虫生活在巴拿马运河中部的一个岛屿上，它们在黑暗的掩护下探访夜间盛开的花朵。

A photographer, Ross Bernards, claimed to have witnessed the removal - accomplished under cover of darkness, he said, by a team of four men - and a friend posted blurry Instagram photos that appeared to confirm his story.

一位名叫罗斯·伯纳兹的摄影师声称，他亲眼目睹了这个由四个人组成的团队在黑夜的掩护下完成的移除过程，他的一个朋友在Instagram上发布了模糊的照片，似乎证实了他的说法。