It's a dark and moonless night.

这是一个黑暗无月的夜晚。

youdao

A moonless night is best.

无月之夜最好。

youdao

One moonless night, while flying a routine training mission over the Pacific, I wondered what the sky would look like from 84,000 feet if the cockpit lighting were dark.

一个看不到月亮的夜晚，我们在太平洋上空执行一次常规训练。 我当时突发奇想：如果把舱内灯光调暗的话，夜空会是什么样呢？

youdao

Butterworth's The River is described as "a bewitching new story" that takes place around a remote cabin on the cliffs on a moonless night.

BBC: Jez Butterworth returns to Royal Court with new play

All the electricity in the compound and the surrounding neighborhood was off on a moonless night and the SEALs were all wearing night vision goggles, which only allowed them limited vision.

CNN: Who really killed bin Laden?

Thirty-four years later and thousands of miles west, Abdulrahman Zeitoun was in bed on a Friday morning, slowly leaving the moonless Jableh night, a tattered memory of it caught in a morning dream.

CNN: Excerpt: The calm before Katrina