The darkest hour is that before the dawn.
黎明前的时分是最黑暗的.
He darkest evening of the year.
又在一年中最黑暗的夜晚.
It is darkest before the dawn.
黎明前最黑暗.
The darkest hour is before the dawn.
最黑暗的时间过去就是黎明.